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- 问题详情：Mostcellphonecompaniesdesignmodelsespeciallyforkids.Butparentsareusuallytheonesbuyingthephones.AccordingtoaJuly2012study,56%ofparentsofchildrenaged8to12havegiventheirchildrenacellphone.AccordingtoarecentYouthBeatsurvey,12isthemagicnumber.Itis...
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