Ifyouseeagroupofpeopledancingandsingingonthestreetorint...
問題詳情：Ifyouseeagroupofpeopledancingandsingingonthestreetorintherailwaystation,youdon’tneedtofeelsurprised.Theyareaflashmob(快閃族).Don’tbeconfusedbytheirname.Actually,aflashmob,organizedwiththehel...