- 問題詳情:Millionsofpeopleareusingcellphonestoday.Inmanyplacesitisactuallyconsideredunusualnottouseone.Inmanycountries,cellphonesareverypopularwithyoungpeople.Theyfindthatthephonesaremorethanameansofcommunication—havingamobilephoneshowsthattheyarecool...
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