没有什么必须发生在梦中。

There is not anything that has to happen to the dream.

youdao

没有什么必须做的事情，不过我们可以选择去做许多事情。

We don't have to do anything, although we might choose to do many things.

youdao

没有什么职业架构，你必须创造你自己的。

There's no career structure; you have to create your own.

《柯林斯英汉双解大词典》

There is no border in the West. So Sal has to reinvent one, and in some sense it's a border of time.

西部里本身没有什么分界线，所以萨尔必须新发明一个，他所分的界限可以说按照时间来的。

耶鲁公开课 - 1945年后的美国小说课程节选