什么是绿色蔬菜？你有菜园吗？

What are green vegetables? Do you have a vegetable garden?

youdao

你是有什么心事吗，汤姆？

What you got on your mind, Tom?

youdao

没有人对于什么可以看作是荒漠有共识。

No one agrees on what counts as a desert.

《柯林斯英汉双解大词典》

Now, I think there's a deliberate confusion here about these lines because their precise historical significance isn't what's most significant.

这里有一个刻意而为的困惑,是关于这些句子中严谨的历史意义的,而不是关于什么是最重要的。

耶鲁公开课 - 弥尔顿课程节选

And then a lot of theory like, what is dress and how do people use it to evoke emotions and stuff, so.

有很多的理念，比如什么是连衣裙，人们怎样用它来表达情感，诸如此类。

梦想成为时装设计师 - SpeakingMax英语口语达人

We need to know not only what are the primitives, but how do we make things meaningful in that language.

我们不仅需要知道什么是基本类型，还要知道我们在那种语言中,怎样使其变得有意义。

麻省理工公开课 - 计算机科学及编程导论课程节选