Self-preservation is also good thing. You have to depend on yourself to survive.

" 自我保护" 也是好事，你必须靠自己生存。但，自哀不是好事。

Yes, so I think it completely depends on yourself.

是的，所以我认为这完全取决于你自己。

It depends on yourself to stretch out your hand, and take it up: but whether you will do so, is the problem I study.

伸出你的手，拿起它，就看你自己了；但你是否这样做，是我研究的问题。

As an exchange student, you have to learn to depend on yourself and you will often be asked to explain your country and culture to others.

作为一名交换生，你必须学会​​依靠自己，你经常会被要求向别人解释你的国家和文化。