用户并不知道所有这些后台操作。

Users are unaware of all this behind-the-scenes action.

youdao

我敢打赌，你不可能知道所有这些快捷方式。

I bet you don't know all of them.

youdao

您应该知道所有这些！

You are supposed to know it all!

youdao

You'll also know that all of these binding energies here are negative, so the negative sign indicates that it's low.

你们将会知道所有的这些,结合能都是负的。

麻省理工公开课 - 化学原理课程节选

But I know their whole mantra of, like, you know.

但我知道所有的这些赞美，

有益健康的美食店 - SpeakingMax英语口语达人

And so I joked, badly, I'll agree, at the end of last lecture, that we can just stop now, go straight to the final exam, because this is all you need to know.

所以我在上次演讲快结束时说了个拙劣的笑话，我会同意我们可以到此为止,直接进行期末考试，因为这些是你们需要知道的所有内容。

麻省理工公开课 - 计算机科学及编程导论课程节选