go on vacation 和go on a vacation 有什么区别这两个是一样的吗?

go on vacation 和go on a vacation 的区别? go to vacation 和go on vacation 那个是度假 go on vacation , take a vacation 和 go on vacation 有什么区别? go on vacation还是go on a vacation? go on a vacation与go on vacation的区别go on a vacation与go on vacation一样吗? in the vacation ；go on vacation ；on vacation 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 是go on vacation 还是go on a vacation?是go for vacation还是go for a vacation? go for one's vacation /on vacation/ take a vacation 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 和go on a vacation 有什么区别这两个是一样的吗? go on an vacation的go on的用法? where would you like to go on vacation?和where would you like to go for vacation那个正确 英语翻译 go to Hong Kong on vacation