go on vacation 与be on vacation辨析我急需要答案谢谢~~~~~

go on vacation 与be on vacation辨析我急需要答案谢谢~~~~~ 问 be on vacation go on vacation do for vacation take a vacation go for vacation等有什么区别,顺便问：What are you doing for vacation？与What are you doing on vacation？有何区别？ go on a vacation与go on vacation的区别go on a vacation与go on vacation一样吗? go on vacation与go for vacation的区别 go on vacation与go for vacation的区别 go on vacation 与go for vacation 的区别 be on a vacation和 go on a vacation的区别, go on a vacation和be on a vacation的区别, go on vacation , on vacation与 for a vacation的用法与区别go for a vacation,go on vacation,take a vacation的区别,用法拜托! be on vacation[翻译】 in the vacation ；go on vacation ；on vacation 区别? take a trip与 go on vacation 的区别 go on vacation 和go on a vacation 的区别? go on vacation还是go on a vacation? go for one's vacation /on vacation/ take a vacation go to vacation 和go on vacation 那个是度假 是go on vacation 还是go on a vacation?是go for vacation还是go for a vacation?