WhileIwasin9thgrade,Ibuiltacircuitforthetrafficsystemof...
問題詳情：WhileIwasin9thgrade,Ibuiltacircuitforthetrafficsystemofourcity.Aftergettingthefirstprize,Igotthisvaluableadvicefrommyfather:“Dowhateverinterestsyou,anddon’tlettheworkchallengeyou,butmakesure...