I didn't expect it to do this. If you understand why it did what it did, you're half way there.

这样运行的啊，如果你能弄明白为什么,它这么运行，你已经完成了差不多一半了。

麻省理工公开课 - 计算机科学及编程导论课程节选

Can you explain to us about stem cell research and why it's so controversial?

你能跟我们解释一下干细胞研究，
以及为什么这项研究会受到这么多的争议吗？

干细胞和伦理 - SpeakingMax英语口语达人

And this is going to sound like a weird topic, we're going to see why it's of value in a second.

这听起来像个怪异的主题，我们将会去学习一刹那。

麻省理工公开课 - 计算机科学及编程导论课程节选

And this is the reason why enthalpy was invented and why it's so important. Because we want to know this. So this for a finite change.

这也就是为什么焓要被提出,而且如此重要的原因,因为我们想要知道这些。

麻省理工公开课 - 热力学与动力学课程节选

Dakota And this is one of them from 2002 called Dakota, and I think you will see immediately how and why it is related to On the Road.

而这个作品是其中2002的系列之一叫做，我想你们能很快地明白,这个作品和《在路上》有什么样的关联。

耶鲁公开课 - 1945年后的美国小说课程节选

Now there are of course biases when we study ourselves which is why it's not enough to just study the self.

当我们研究自己时当然会有偏颇,这就是为什么只研究自己是不够的。

哈佛公开课 - 幸福课课程节选

That's why it's natural to point to the moment of star when we say that's when my death occurs.

所以很自然的，我就死在星号这里。

耶鲁公开课 - 死亡课程节选

All right. So now that we have a general idea of what we're talking about with shielding, we can now go back and think about why it is that the orbitals are ordered in the order that they are.

现在我们对于谈论的屏蔽,有一个整体观点了，我们现在可以回过头来考虑,为什么轨道是按照,那种规则排列的。

麻省理工公开课 - 化学原理课程节选

And in fact, hazing through cognitive dissonance draws the inference that this is really, really valuable and this is why it exists.

事实上，根据认识失调来运用欺负新人这个手段得出一个结论,这个理论非常有价值，这就是为什么它会存在。

耶鲁公开课 - 心理学导论课程节选

So, that's why it's a good thing to come to lecture and also to read the books.

所以这就是为什么要来听课,为什么读书

耶鲁公开课 - 1871年后的法国课程节选

I want to illustrate one of the reasons why it has been so difficult to get a grasp on the hair cells in the inner ear.

我想用图例为大家说明一下,为什么难以捕获内耳中的毛细胞。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

So there are various reasons why it's hard to maintain this collusive agreement.

这样的私下协议难以维系,是有多方面原因的

耶鲁公开课 - 博弈论课程节选

I'll talk about why it happened in Britain another time.

我下一次会谈为何农业革命会发生在英国

耶鲁公开课 - 欧洲文明课程节选

The less than side is gonna be a less than sign, and then the word and is going to become not one & but two ampersands back to back, and we'll see why it's two and not one before long.

小于“侧还是用的“小于“,而中间的“and“将去掉,换成两个紧挨着的&符号，但至于为什么是&&而不是,我们以后会提到。

哈佛公开课 - 计算机科学课程节选

So you can see why it would be very natural for all sorts of ties to unite these colony and mother city.

因此你们就能理解,是什么把殖民地和母邦自然地联系在一起

耶鲁公开课 - 古希腊历史简介课程节选

Alumina is really stable, which is why it takes so much energy to make aluminum.

矾土相当稳定，这就是为什么需要消耗大量的能量制备铝了。

麻省理工公开课 - 固态化学导论课程节选