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!

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! on vacation与for vacation的区别 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？ for vacation与on vacation的不同 for vacation与on vacation用法 go for one's vacation /on vacation/ take a vacation for vacation on vacation take a vacation on holiday 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 go on vacation 与go for vacation 的区别 on vacation 与for vacation的区别、 要例子 是go on vacation 还是go on a vacation?是go for vacation还是go for a vacation? go on a vacation与go on vacation的区别go on a vacation与go on vacation一样吗? a vacation 前用on还是for take a vacation = go on vacation = have a vacation = go for a vacation=on sp 一个度假的好地方a good place for a vacation 与 a good place to have a vacation还有 a good place to vacation,a good place to on vacation 哪些是对的? on vacation 和 for vacation的区别 on vacation和for vacation哪个对 I went to Dalian()my vacation.A.for B.on