- 问题详情:Everyoneseemstobelivingforsomeoneelse.Ihadoncehelpedafriendrunawatermelonstall.Inoticedsomethinginteresting:almosteverybuyerwouldliftthemelonuptotheirear,andtapit,apparentlytryingtolistentosomething.Iwonderedwhattheyexpectedtohear.FinallyIcou...
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