go on a vacation和be on a vacation的区别,

go on vacation 和go on a vacation 的区别? go on a vacation和be on a vacation的区别, go on a vacation与go on vacation的区别 take a vacation 和 go on vacation 有什么区别? 问 be on vacation go on vacation do for vacation take a vacat take a trip与 go on vacation 的区别 go for one's vacation /on vacation/ take a vacation go on vacation还是go on a vacation? for vacation和on vacation的区别 on vacation和for vacation 的区别 on vacation 和 for vacation的区别 on vacation和take vacation的区别