世界银行-利用辅助教育技术支持东亚及太平洋地区有视觉和听觉困难的儿童(英)_第1页
世界银行-利用辅助教育技术支持东亚及太平洋地区有视觉和听觉困难的儿童(英)_第2页
世界银行-利用辅助教育技术支持东亚及太平洋地区有视觉和听觉困难的儿童(英)_第3页
世界银行-利用辅助教育技术支持东亚及太平洋地区有视觉和听觉困难的儿童(英)_第4页
世界银行-利用辅助教育技术支持东亚及太平洋地区有视觉和听觉困难的儿童(英)_第5页
已阅读5页,还剩146页未读 继续免费阅读

下载本文档

版权说明:本文档由用户提供并上传,收益归属内容提供方,若内容存在侵权,请进行举报或认领

文档简介

PublicDisclosureAuthorized

DisclosureAuthorizedPublicDisclosureAuthorized

Public

PublicDisclosureAuthorized

NoahYarrowLauriPynnonen ChuyuSongRiazBhardwajMarioSpiezio

2023

UseofAssistiveEducation TechnologiestoSupport ChildrenwithVisualand HearingDifficultiesintheEastAsiaandPacificRegion

WORLDBANKGROUP

Education

©2023InternationalBankforReconstructionandDevelopment/TheWorldBank1818HStreetNWWashingtonDC20433

Telephone:202-473-1000

Internet:

ThisworkisaproductofthestaffofTheWorldBankwithexternalcontributions.Thefindings,interpretations,andconclusionsexpressedinthisworkdonotnecessarily

reflecttheviewsofTheWorldBank,itsBoardofExecutiveDirectors,orthe

governmentstheyrepresent.

TheWorldBankdoesnotguaranteetheaccuracy,completeness,orcurrencyofthe

dataincludedinthisworkanddoesnotassumeresponsibilityforanyerrors,omissions,ordiscrepanciesintheinformation,orliabilitywithrespecttotheuseoforfailuretousetheinformation,methods,processes,orconclusionssetforth.Theboundaries,colors,

denominations,andotherinformationshownonanymapinthisworkdonotimplyanyjudgmentonthepartofTheWorldBankconcerningthelegalstatusofanyterritoryortheendorsementoracceptanceofsuchboundaries.

NothinghereinshallconstituteorbeconstruedorconsideredtobealimitationuponorwaiveroftheprivilegesandimmunitiesofTheWorldBank,allofwhicharespecificallyreserved.

RightsandPermissions—Thematerialinthisworkissubjecttocopyright.BecauseTheWorldBankencouragesdisseminationofitsknowledge,thisworkmaybereproduced,inwholeorinpart,fornoncommercialpurposesaslongasfullattributiontothisworkisgiven.

ThisOperationsNotedoesnotconstituteWorldBankPolicyorrequirementsandisnotmandatory.ItisadeliberativeinternaldocumentthatisupdatedperiodicallyandnotintendedfordistributionoutsideoftheWorldBank.

Anyqueriesonrightsandlicenses,includingsubsidiaryrights,shouldbeaddressedtoWorldBankPublications,TheWorldBankGroup,1818HStreetNW,Washington,DC20433,USA;fax:202-522-2625;e-mail:pubrights@.

SuggestedCitation:Yarrow,N.,Pynnonen,L.,Song,C.,Bhardwaj,R.,Spiezio,M.,2023.UseofAssistiveEducationTechnologiestoSupportChildrenwithVisualandHearingDifficultiesintheEastAsiaandPacificRegion

Coverphotocredits,IStockPhoto.DesignedbyVeronicaGadea.

Contents

Acknowledgementsiv

Abstractv

ExecutiveSummaryvi

Glossaryviii

1.Introduction1

2.ExistingRegionalAssistiveEdTechResearch5

LiteratureReview5

LimitedEvidenceandGapsinResearch7

EmergingSolutionsinEdTech8

3.PrivateSectorPerspectives10

TheAssistiveEdTechSpace:APrivateSectorPerspective10

Challenges12

RecommendationstoAddressMarketFailure16

4.AssistiveEdTechCountryCaseStudies18

Vietnam19

ThePhilippines23

Policydiscussion27

China28

Tonga34

5.ConclusionandRecommendations39

PublicSector40

EngagingthePrivateSector43

CommunityOrganizationsandNGOs45

ResearchCommunity46

WorldBankandMultilateralPartners46

6.References47

7.AnnexA:SystematicLiteratureReview55

8.AnnexB:SubjectsInterviewedforPrivateSectorSurvey65

9.AnnexC:SurveyDescription67

10.AnnexD:HardwareandSoftwareExamples68

Acknowledgements

WewouldliketothankAlejandroAlcalaGerez(OperationsManagerforChina,Korea,andMongolia,WorldBank)andCristianAedo(PracticeManageroftheEducation

GlobalPractice,EastAsiaandPacificRegion(HEAED),WorldBank)fortheirguidanceandsupport,andTaoSu(ProgramAssistant,WorldBank),forhersupport.Theauthorswouldalsoliketothankthefollowingreviewersandcontributors,whileretaining

allresponsibilityforanyerrorsorinaccuraciesfortheauthorsthemselves:HannaAlasuutari(WorldBank),DebbieMeiSiBong(IFC),FernandoBotelho(UNICEF),

DianneChambers(UniversityofNotreDameAustralia),MichaelDrabble(World

Bank),AlejandroAlcalaGerez(WorldBank),HenryGrageda(USAIDPhilippines),

SachikoKataoka(WorldBank),MariaAnaLugo(WorldBank),DeborahMikesell(WorldBank),YolandaQuijano(ResourcesfortheBlind),QingqingSong(ShanghaiNormal

University),TaNgocTri(MinistryofEducationandTraining,Vietnam),MatelitaTaufa(MinistryofEducationandTraining,Tonga),JanssenTeixeira(WorldBank),TranThiVang(VietnamNationalInstituteofEducationalSciences),VanNgaLe(ThuDuc

CongregationofLoversoftheHolyCross,Vietnam),HuafengZhang(ShanghaiNormal

University),MinxuanZhang(ShanghaiNormalUniversity),XiaohuZhu(ShanghaiNormalUniversity).

ThispublicationwasfinancedwithsupportfromtheChina-WorldBankGroupPartnershipfacility.

Thefindings,interpretations,andconclusionspresentedinthispaperareentirelythoseoftheauthors.TheydonotnecessarilyrepresenttheviewsoftheInternationalBankforReconstructionandDevelopment/WorldBankanditsaffiliatedorganizationsorthoseoftheExecutiveDirectorsoftheWorldBankorthegovernmentsthattheyrepresent.

ivAcknowledgements

))

Abstract

Evidenceontheuptake,use,andimpactofEdTechatscaleonparticipationand

learningamongstudentswithdisabilitiesinlow-andmiddle-incomecountriesremains

verylimited.ThisreportpresentsfindingsonaccesstoEdTechforchildrenwith

difficultiesinhearingandvisioninmiddle-incomecountries(MICs)intheEastAsia

andPacific(EAP)regionusingthreeapproaches:(i)asystematicregionalliterature

review;(ii)interviewswith17actorsfromtheeducationtechnologyprivatesectoracross

theEAPregion;and(iii)casestudiesfromfourcountries:Vietnam,thePhilippines,

China,andTonga.ThemainfindingsfromtheliteraturereviewarethatmostEdTech

solutionsinEAPMICswereappliedatverysmallscale,withafocusonthetech

testingstage,andonlytwoofthe13identifiedstudiesfromasampleof1,661studies

measuredchangesinstudentlearningoutcomes.Theprivatesectorinterviewsindicate

qualitativelythatmostactorsinthisspaceareunawareoftheneedsofchildrenwith

visionandhearingdisabilities,andthatotherchallengessuchasprofitabilityand

generalinequalitiesrelatedtoaccesstodevicesandhigh-speedinternetreceivethe

mostattention.Thecasestudiesreportnoexamplesofnationaldeploymentofany

assistiveeducationtechnology,thoughtherearemultipleexamplesofsmall-scale

digitalapproachesdevelopedbyindividualschoolsorNGOsandsharedlocallyor,in

twocases,regionally.Inlookingatcountrycontextsforthecasestudies,wefounda

lackofpubliclyavailabledataonspendingforassistiveEdTechinEAP,alackofdata

on(a)prevalenceofdisabilitiesamongthestudentpopulation,(b)studentlearning,

and(c)studentpersistenceinhighergrades.Weexaminenewdataonpolicy-maker

estimatesofaccessandinclusionofchildrenwithdisabilities,andfindthatdespite

supportforinclusion,thereislargescopeforimprovingdatacollection,servicedelivery

andaccesstoassistiveEdTechinMICsintheEAPregion.

Keywords:EdTech,Child,Low-andMiddle-IncomeCountries,Deaf,Blind,Inclusive

Education,assistivetechnology

Abstractv

ExecutiveSummary

Assistiveeducationtechnologiescanbeeffectiveinsupportinglearningforchildren

withdisabilitiesandinreducinglearninginequalitiesbetweenchildrenwithandwithoutdisabilities,amajorconcerninEAPandglobally.Despitestronghouseholddemand

forassistiveeducationaltechnologiesandsupportfromdecisionmakers,evidenceforlarge-scaleuseofEdTechwithpositiveimpactsoneducationparticipationorlearningamongstudentswithdisabilitiesinlow-and-middleincomecountriesremainsvery

limited.Thisreportfocusesonhearingandvisionbecauseoftheirhighprevalence,

relativeeaseofidentification,andtheexistenceofmultipledevicestosupportlearningforchildrenwiththesechallenges.

Thisreportaimstoidentifyexamplesofassistiveeducationaltechnologiesusedat

scaleforchildrenwithdifficultiesinhearingandvisioninmiddle-incomecountriesin

theEAPregionutilizingthreeapproaches:(i)asystematicliteraturereviewtosearchforrelevantassistivetechnologiesdocumentedinpublishedjournalarticles;(ii)interviewswith17actorsfromtheeducationtechnologyprivatesectoracrosstheEAPregion;and(iii)casestudiesfromfourcountries:Vietnam,thePhilippines,China,andTonga.

Overall,wefindthatdespitesupportforinclusion,thereislargescopeforimproving

datacollection,servicedeliveryandaccesstoassistiveEdTechinMICsintheEAP

region.Basedonfindingsfromasystematicliteraturereview,themajorityofthe

assistiveeducationaltechnologiesthatmettheinclusion/exclusioncriteriaofthe

search,wereappliedatverysmallscale.Theseassistiveeducationaltechnologies

typicallyfocusedonthetestingstageandevaluateduserexperience.Onlytwoof

the13identifiedstudiesfromasampleof1,661studiesthatwereeligiblefortitleand

abstractscreening,measuredchangesinstudentlearningoutcomes.Thequalitative

interviewswiththeprivatesectoractorsindicatethatmostactorsinthisareaofinterestareunawareoftheneedsofchildrenwithvisionandhearingdisabilities.Withregardstoperceivedbarriersforprivatesectordevelopment,intervieweesalsoidentified

profitability,accesstodevicesandhigh-speedinternetaspotentialchallengesinthesector.Thecasestudiesreportnoexamplesofnationaldeploymentofanyassistive

educationtechnology,thoughtherearemultipleexamplesofsmall-scaledigital

approachesdevelopedbyindividualschoolsorNGOsandsharedlocallyor,intwo

cases,regionally.Inlookingatcountrycontextsforthecasestudies,wefoundalackofpubliclyavailabledataonspendingforassistiveEdTechinEAP,alackofdataon

prevalenceofdisabilitiesamongthestudentpopulation,studentlearning,andstudentpersistenceinhighergrades.

viExecutiveSummary

))

Weproposethefollowingrecommendations:

•Datareporting.Collectingandsharingdataonchildrenwithdisabilitiesisan

essentialroleofschools,subnationalandespeciallynationalgovernmentsto

ensurethatallchildrenarelearning.Inordertoimproveenrollmentandlearningforthesepopulations,itisessentialtodisaggregatetypesofdisabilitiesandtracklearningovertimeandtoregularlyreportandsharetheresults.

•Engagingtheprivatesector.Inorderforprivate-sectorcompaniestoidentifyandhelpaddressspecificchallenges,governmentsandmultilateralorganizationscanconductscopingstudies,public-privatesectordialoguemechanisms,andbroaderawarenesscampaigns.FinancialincentivesorassurancesfromgovernmentscanencouragemoreprivateEdTechplayerstoenterthissector.

•EngagingwithNGOs,researchgroups,andmultilateralorganizations.Thesegroupshaveoftendevelopedexpertiseinprovidingserviceswhileaddressingthemarketfailureinmeetingdemand.Theycanbeasourceoffeedbackandexperienceasgovernmentssupporttakingprovensolutionstoscale.

Photo:iStockPhoto

ExecutiveSummaryvii

Glossary

AssistiveTechnology.“Anumbrellatermforassistiveproductsandtheirrelatedsystemsandservices.Assistiveproductsmaintainorimproveanindividual’s

functioningandindependence,therebypromotingtheirwell-being.”1Examplesincludehearingaids,wheelchairs,andscreenreaders.

AssistiveEducationalTechnology(AssistiveEdTech).Assistiveproductsthatsupportandenrichteachingandlearning.

Disability.“Adisabilityisanyconditionofthebodyormind(impairment)thatmakesitmoredifficultforthepersonwiththeconditiontodocertainactivities(activitylimitation)andinteractwiththeworldaroundthem(participation

restrictions).Therearemanytypesofdisabilities,suchasthosethataffectaperson’s:vision,movement,thinking,remembering,learning,communicating,hearingmentalhealthandsocialrelationships.”2

InclusiveEducation.“Aneducationsystemthatincludesallstudents,and

welcomesandsupportsthemtolearn,whoevertheyareandwhatevertheir

abilitiesorrequirements.Thismeansmakingsurethatteachingandthecurriculum,schoolbuildings,classrooms,playareas,transportandtoiletsareappropriateforallchildrenatalllevels.Inclusiveeducationmeansallchildrenlearntogetherin

thesameschools.”3

SpecialNeedsEducation.“Educationdesignedtofacilitatethelearningof

individualswho,forawidevarietyofreasons,requireadditionalsupportand

adaptivepedagogicalmethodsinordertoparticipateandmeetlearning

objectivesinaneducationalprogram.Reasonsmayinclude(butarenotlimitedto)disadvantagesinphysical,behavioral,intellectual,emotionalandsocial

capacities.”4

1WorldHealthOrganization(2023).

2CentersforDiseaseControlandPrevention(2020).

3UnitedNationsChildren’sFunds(2017).

4UnitedNationsEducationalScientificandCulturalOrganizationInstituteforStatistics(2011).

viiiGlossary

Introduction

1

Shareofrespondants

1.Introduction

TheUnitedNationsConventionontheRightsofPersonswithDisabilities(CPRD)–

Article24recognizestherightofpersonswithdisabilitiestoeducation(CRPD,2006).

Inrealizingthisright,statepartiesshallensurethatpersonswithdisabilitiescanhave

equalaccesstoaninclusiveandqualityeducationaschildrenwithoutinequalities,

providingreasonableaccommodationbasedonindividual’srequirements.TheCPRD

formsthebasisofbroadsupportfromdecisionmakerstowardsinclusiveeducation

andaccommodation.Basedonaninternationalsurveyof602decisionmakersfrom

12countries(Figure1.1),over90percentofthedecisionmakersagreeorstronglyagree

withthestatementthatchildrenwithdisabilitiesdeservethesamelevelofaccessto

publicschoolingaschildrenwithoutdisabilities.WithintheEastAsiaandPacific(EAP)

region,forfiveselectedmiddle-incomecountries(MICs)—Vietnam,Laos,Philippines,

Indonesia,andMongolia—theaveragelevelofsupportishigherthantheaveragefor

othercountriessurveyed.Over72percentofthesampleddecisionmakersfromthese

fivecountriesstronglyagreewiththestatementwhichishigherthanthe49percent

averageofallothercountriessurveyed.Incomparison,whileoverallsupporttowards

theeducationofchildrenwithdisabilitiesisstrong,fewerdecisionmakersstrongly

supporttheneedtomakeaccommodationssothatchildrenwithdisabilitiescanbe

includedinregularclassroomswithchildrenwhodonothavedisabilities.

Figure1.1SupportforinclusiveeducationinfiveEAPcountries

andglobally

Childrenwithdisabilitiesdeservethesamelevelofaccess

topublicschooling

100%90%80%70%60%50%40%30%20%10%

0%

StronglyagreesAgreesDisagressStronglydisagreesDoesnotknow

Introduction

3

Table1.1Continuumoftechnologyfromno/lowtohightech

Tech

Requirementsforuse

Maintenance

Electronics

Example

No/Low

Almostnone

None/Little

None

Magnifiers

Audiobooks

Medium

Sometraining

Some

Some

BrailleNotepadTexttospeech

High

Advancedtraining

High

Complex

Speech

recognition

Touchscreen

devices

Thisstudyaimstohelpfillthisgapintheliteraturebyfocusingonthedevelopment

anduseofmediumtohighassistiveeducationtechnologies—technologiesthatrequire

batteriesorelectricity—tosupportthelearningofchildrenwhohavefunctioning

difficultieswithvisionandhearing,acrossallstagesofeducation,andarefromtheEAP

region,includingchildrenfromthePacificIslandCountries.Thisobjectiveisachieved

throughasystematicreviewalongwithcountrycasestudiesanddatacollection

fromprivatesectoractors.Thesetwodisability-typeswereselectedduetotheirhigh

prevalence,possibilityofidentification,andtheexistenceofmultipledevicestosupport

learningforchildrenwiththesechallenges,thoughwenotetheverywiderange

ofindividualexperienceanddegreewithinthesespecificdisabilities.Wefocuson

medium-andhigh-techsolutionstobothexamineiftheinvestmentsindistancelearning

duringCOVID-19schoolclosuresbenefitedstudentswithdisabilities,andtorespond

totheinterestofgovernmentsinEAP—aregionthatishometo43.1millionchildren

withdisabilities,thesecondlargestgroupoftheworld(UnitedNationsChildren’s

Fund,2021).WhilepreviousstudiesfocusedonEdTechthatsupportslearnerswith

disabilities,theresearchisnotEAPspecificandeitherconcentratesonchildrenwho

havedifficultieshearing(Beal-Alvarez&Cannon,2014),orthosewhohavedifficulties

withvision(Kelly&Smith,2011).WhilepreviousstudiesfocusedonEdTechthatsupports

learnerswithdisabilities,theresearchisnotEAPspecificandeitherconcentrateson

childrenwhohavedifficultieshearing(Beal-Alvarez&Cannon,2014),orthosewho

havedifficultieswithvision(Kelly&Smith,2011).

Overall,wefindthatdespitesupportforinclusion,thereislargescopeforimproving

datacollection,servicedeliveryandaccesstoassistiveEdTechinMICsintheEAP

region.Basedonfindingsfromthesystematicliteraturereview,themajorityofthe

assistiveeducationaltechnologiesthatmettheinclusion/exclusioncriteriaofthe

search,wereappliedatverysmallscale.Theseassistiveeducationaltechnologies

typicallyfocusedonthetestingstageandevaluateduserexperience.Onlytwoof

the13identifiedstudiesfromasampleof1,661studiesthatwereeligiblefortitleand

abstractscreening,measuredchangesinstudentlearningoutcomes.Thequalitative

Introduction

4

interviewswiththeprivatesectoractorsindicatethatmostactorsinthisareaofinterestareunawareoftheneedsofchildrenwithvisionandhearingdisabilities.Withregardstoperceivedbarriersforprivatesectordevelopment,intervieweesalsoidentified

profitability,accesstodevicesandhigh-speedinternetaspotentialchallengesinthesector.Thecasestudiesreportnoexamplesofnationaldeploymentofanyassistive

educationtechnology,thoughtherearemultipleexamplesofsmall-scaledigital

approachesdevelopedbyindividualschoolsorNGOsandsharedlocallyor,intwo

cases,regionally.Inlookingatcountrycontextsforthecasestudies,wefoundalackofpubliclyavailabledataonspendingforassistiveEdTechinEAP,alackofdataon

prevalenceofdisabilitiesamongthestudentpopulation,studentlearning,andstudentpersistenceinhighergrades.

Thereportisorganizedasthefollowing.Thesecondsectionisasystematicreviewthatsearchedforjournalarticlespublishedoverthepast10yearsonassistiveeducation

technologiesforchildrenwithdisabilitiesintheMICsoftheEAPregion.Thethird

sectionprovidesadiscussionontheprivatesectorbasedoninterviewswithprivate

sectoractors.Thefourthsectionincludesfourcountrycasestudies—China,Philippines,TongaandVietnam,whichdescribestheeducationalcontextofeachcountryfor

childrenwithhearingandvisualdifficulties,andexampleAssistiveEdTechsolutionsthatwereidentifiedbythekeyinformants.Thelastsectionconcludes.

Photo:iStockPhoto

ExistingRegionalAssistiveEdTechResearch

5

2.ExistingRegional

AssistiveEdTech

Research

In2022,asystematicliteraturereview1wasconducted.Thereviewfoundthattherewas

limitedresearchontheuseofEdTechforchildrenwithvisualandhearingimpairments

intheEAPregion.Althoughatotalof1,661studieswereidentifiedbasedonkeysearch

terms,only13ofthe44studiesselectedforfull-textscreeningwereretainedand

analyzed.Evenaftershortlistingonlythemostsignificantresearchtobeincludedinthe

review,theselectedfewpapersstillhadafocusonlyonsmall-scaletestingofassistive

Edtech.Inaddition,thesestudieshadlimitedengagementwithkeystakeholderswithin

theeducationsystemandnodiscussionwithstakeholdersoutsidetheeducation

system,suchasgovernmentagencies.Thereviewalsofoundthatonlytwostudies

discussedcostsandonlyonestudycomparedthemwithmarketprices.Theevidence

oftheimpactofEdTechonlearningoutcomesforstudentswithdisabilitieswasfoundto

beextremelylimited,indicatinganeedforfurtherresearchinthisarea.

LiteratureReview

Thesystematicreviewfollowedapre-agreedprotocol,whichincludedfourselection

criteriaforeligiblestudies:(i)thetechnologysupportedstudentsaged3to25with

disabilitiesinaccessingeducation;(ii)thetechnologyrequiredelectricity;(iii)thetarget

populationresidedinanMICsintheEAPregion;and(iv)thearticlewaspublishedin

Englishwithinthepast10years.

Theselectionprocessbeganwithawebsearchofthreedatabases—WebofScience,

ProQuest,andERIC—fromwhich1,661studieswereretrieved.Usingtheinclusion/

exclusioncriteria,twoscreenersindependentlyreviewedthetitlesandabstractsof

thestudiesidentifiedinthefirstround.Athirdscreenerreviewedtheidentifiedstudies

whentherewasadisagreement.Thisprocessledtotheexclusionof1,617studiesand

theinclusionof44studiesdeemedeligibleforfull-textreading.Duringthefinalstepof

theselectionprocess,31additionalstudieswereexcluded,resultinginafinalsample

of13relevantstudiesthatmetallinclusioncriteria.Theagreementratesbetween

thetwoscreenerswerehigh,reaching93percentforthetitleandabstractscreening,

and80percentforthefulltextscreening.Two-thirdsofthestudieswereconducted

inMalaysiaandThailand,withtheremainingstudiesfocusedonthePhilippines

andIndonesia.Themajorityofthestudies(61.5percent)assessedsolutionsaimed

1ThefullliteraturereviewcanbefoundfromAnnexA.

6ExistingRegionalAssistiveEdTechResearch

atsupportingchildrenwithvisualimpairments,whilejust30.8percentinvestigated

solutionsforchildrenwithhearingimpairments,andonlyonestudylookedattailoredsolutionsforboth.Almostallstudies(69.2percent)focusedonsoftwareprograms

forchildrenwithsensoryimpairments,withjustahandfulofstudies(23.1percent)

concentratingonhardwareandoneonbothhardwareandsoftwareprograms.Aroundhalfoftheincludedstudi

温馨提示

  • 1. 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。图纸软件为CAD,CAXA,PROE,UG,SolidWorks等.压缩文件请下载最新的WinRAR软件解压。
  • 2. 本站的文档不包含任何第三方提供的附件图纸等,如果需要附件,请联系上传者。文件的所有权益归上传用户所有。
  • 3. 本站RAR压缩包中若带图纸,网页内容里面会有图纸预览,若没有图纸预览就没有图纸。
  • 4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
  • 5. 人人文库网仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对用户上传分享的文档内容本身不做任何修改或编辑,并不能对任何下载内容负责。
  • 6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
  • 7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

评论

0/150

提交评论