- 问题详情:TheWorldIsGettingSmallerImaginethis:atelevisionscreenthesizeandthicknessofapieceofpaper.Youcarryitaroundinyourpocketandtakeitoutwhenyouwanttowatchashow.Imagineaguitarsotinyyoucan’tseeitwiththehumaneye,butyoucanhearsoundswhenitsstringsarepluc...
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