另一个是，我们没必要知道什么促使我们这样做。

Another is that we do not necessarily know what drives us to do the things we do.

youdao

我不太确定，但是我们必须明白，我们没必要知道每个人的每一件事。

I'm not sure, but we have this need to know. I believe I do not have to know everything about everybody.

youdao

拉里不想在外面谈论这个工作团队--在电话里或是其他什么--因为他相信我和你没必要知道，我们都不需知道。

Larry doesn't want to talk about this stuff with outsiders – on earnings calls, or elswhere – because he believes what you and I don't need to know, we don't need to know. So back off.

youdao

It's one element like I claimed before it's sorted and so there's no work to be done.

当有1个元素时，在比较前就知道它是有序的,那就没必要再进行比较了。

哈佛公开课 - 计算机科学课程节选

Now, I'd like to stress information technology because we are living in a time of rapid advance, as you know--I don't have to tell you this.

我想强调一下信息技术,因为我们身处一个飞速发展的时代，这你们都知道，我没必要再说一遍。

耶鲁公开课 - 金融市场课程节选