We think, “I'll be happy when I climb that hill. When I go on vacation. When I am at the beach. When I live in that kind of house. When I finally visit that country or state.

我们这样认为，“当我登上那座山峰，当我外出度假，当我在海滩享受悠闲的时光，当我住在心仪的房子里，当我终于能够去游览那个国家，那么我就会感到快乐。”

youdao

I am on vacation in Vietnam with my parents.

我正和我的父母在越南度假。

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I am going to study hard in this vacation.

我在这个假期艰苦学习。

youdao

I am going to study hard in this vacation.

我在这个假期艰苦学习。

youdao