Some people don't even know what a dividend is, they just think of stock as something whose price goes up.

有些人甚至都不知道股利是什么,他们仅仅把股票想象为一种会升值的玩意

耶鲁公开课 - 金融市场课程节选

And because of his reputation as a genius people said, "Wow. That's very profound. I wonder what he means."

因为他被传为天才，别人就会想，“多么深刻，不知道是什么意思呢”

耶鲁公开课 - 心理学导论课程节选

And even though he could figure out that this wasn't possible, he still used this as a starting point, and what he did know was that these energy levels that were within hydrogen atom were quantized.

这是不可能的了,但他还是以此为出发点，他知道，氢原子的这些能级,是量子化的,而且他也知道，我们上节课所看到现象。

麻省理工公开课 - 化学原理课程节选

I have no idea what's here at the moment so I'm just going to draw a question mark because that memory might have been used previously for some other purpose, but we know it's currently available to us so we have four bytes of memory.

我不知道在此刻这里是什么,所以我画一个问号，因为那块内存可能在之前,为其它的目的而使用过，但是我们知道它可以为我们所使用,这样我们就有4个字节的内存。

哈佛公开课 - 计算机科学课程节选

I was wondering if you'll be willing just to offer, I don't know if it's culty prayer, whatever you feel comfortable, maybe reciting just a few lines because I know your voice is exquisite.

你是否愿意为我们，我也不知道这是不是祷告，只要你觉得合适的，就为我们吟诵几句话可以吗,因为我知道你的声音非常的优雅。

普林斯顿公开课 - 人性课程节选

And we turned to a discussion of the unpredictability of death, -- the fact that because we don't know-- we can't predict--how much more time we've got, we may, as it were, pace ourselves incorrectly.

我们转而讨论死亡的不可预测性，因为我们不知道-,我们不能预测--我们还有多少时间，我们可能，可以说是，为自己定错了前进的速度。

耶鲁公开课 - 死亡课程节选

The institutions and the ideas therefore, that provide for freedom and improvement in the material conditions of life, cannot take root and flourish without an understanding of how they came about and what challenges they have had to surmount.

故此,这些机制和理念,为物质生活条件的自由和改善,提供了基础,但在不知道其根源且,无法预料的挑战之前,机制和理念是不可能扎根的

耶鲁公开课 - 古希腊历史简介课程节选

Second reason we don't want over-qualified students in the class, it sounds a little nasty, but the second reason is, an over-qualified student, somebody who's, I don't know, programmed for Google for the last five years, is going to have an easy time in this course, but we don't want such a student accidentally intimidating the rest of you.

我们不希望高水平的学生来听课,还有一个原因，虽然听起来，有一点儿令人不快，但是第二个原因是，我们不希望，某位我不知道的高手，在为谷歌编写了五年的程序之后，很轻松地上这门课，从而使得周围同学,感到威胁。

麻省理工公开课 - 计算机科学及编程导论课程节选

We have to understand the way in which what we do and say, what we write in our papers and articles, is grounded in theoretical premises which, if we don't come to terms with them, we will simply naively reproduce without being fully aware of how we're using them and how, indeed, they are using us.

我们所为，所说，和在论文中所写的内容，是以一些理论，为前提的，如果不接受这些理论，那我们就不过是天真地重复,根本不知道,我们是如何利用它们的。

耶鲁公开课 - 文学理论导论课程节选

I don't know if you can see, probably not, what's written on here, so let me point out to you a few things.

我不知道大家是否知道，这很可能不是其中的一种，那么让我来为大家指出一些事实。

麻省理工公开课 - 化学原理课程节选

Yeah. You're jumping slightly ahead of me, but basically, I'm done when this is equal to 1 right? Because I get down to the base case, so I'm done when b u is over 2 to the k is equal to 1, and you're absolutely right, that's when k is log base 2 of b.

因为这就是最基本的情况了，因此当b/2的k次方等于1的时候就停止了1,你说的太对了，就是k等于b的以2为底的对数的时候,你们都坐的挺靠后的啊，我不知道是不是我讲的不太明白？

麻省理工公开课 - 计算机科学及编程导论课程节选