Haveyouevergotyourlunch,butnotknownwheretosit?Youdon'tw...
問題詳情：Haveyouevergotyourlunch,butnotknownwheretosit?Youdon'twanttositalone.Butyouarenotsurewhowouldbefriendlyandletyousitwiththem. Tosolvetheproblem,NatalieHampton,16,madeanappcalledSitWzihU...