喔！我知道我需要什么了，番红花有了番红花我就大功告成。

I know what this needs! Saffron! A little saffron would make this!

youdao

我很节俭，因为我知道我需要什么，然后我只买我需要的，没有其他。

I was frugal in the sense that I knew what I needed, and then I purchased what I wanted, and nothing more.

youdao

我知道我需要什么，我要的并不多，所以我为此而工作，不管是在花园里挖坑，还是演讲，或者写作，这些都不重要。

I know what I need, and that is not very much, so whether I work for it by digging in a garden, or talking, or writing, that is not of great importance.

youdao

And that's useful because clearly I don't need to know in advance what the answer is going to be, what that string is actually going to be.

那个是有用的，因为我不需要预先知道,那个答案将会变成什么，或者那个字符串将变成什么的时候。

哈佛公开课 - 计算机科学课程节选

I don't need a prime minister.' I knew what he meant by that.

我不需要一个首相”,我知道他是什么意思。

普林斯顿公开课 - 国际座谈会课程节选