- 問題詳情:TipsforwaitinginlineWe’veallbeenthere–whenliningupatthesupermarketcheckoutcounter,thelinesnexttousalwaysseemtobemovingfasterthantheonewearestandingin. 37..Ithasalsoofferedtipsonpickingthefastestline.●38.Acart(購物車)fullofitemsdoesn’ttellt...
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