Miss Carson believed the public needed to know about this important issue.

VOA: special.2010.03.14

All we really needed to know about it is that this is smaller right.

我们已经知道,这部分比较小。

麻省理工公开课 - 热力学与动力学课程节选

It's possible that he genuinely didn't know what to do, that he wasn't smart enough to understand that he needed to point to the other one.

有可能他是真的不知道该做些什么,他还不够聪明,无法理解他需要指向另一个物体

耶鲁公开课 - 心理学导论课程节选

But Abraham Lincoln taught himself what he needed to know.

VOA: special.2009.02.06

I really didn't know and I needed to have an answer to this question. So I created Star Festival with this team from MIT in order to try to answer this question.

我不知道，我需要一个答案,所以我和我来自麻省的团队,创造了，“七夕“项目,以回答这个问题。

麻省理工公开课 - 媒体、教育、市场课程节选

I needed to know him.

VOA: special.2009.12.13

If we could get clear about what the answer to that metaphysical question the key to personal identity we'd at least know what we needed to find out to answer the question: ? Is this one person or two?

如果我们能知道,那个形而上问题的答案,对于人格同一性的关键,至少我们会知道,我们要知道什么来得出答案：,是同一个人还是两个人？

耶鲁公开课 - 死亡课程节选

Dr.Haukoos says alternative HIV testing programs are needed to help those who don't know they have the virus.

VOA: standard.2010.07.23

They might very well be storing the addresses of memory elsewhere, but we just needed them as sort of a cheat sheet, a little address card to know where the original values x and y were.

它们存储在内存的其他地方是可以的,但是我们需要一个备忘单,一个地址卡，来知道,原始的值x和y是什么。

哈佛公开课 - 计算机科学课程节选