你知道那些事实。

You know the facts.

youdao

理想状态是，做决定时，你必须且只须知道那些最相关的事实。

Ideally, when it comes to making a decision, you should know the most relevant facts — and only those.

youdao

事实上，我正在学，但对我来说那太难了你知道四声那些东西，我有点怕了。

B: Actually, I am learning that now.but it's too hard for me.you know the 4 tones and the stuff, it really freaks me out.

youdao