"It does not cover the nuclear issue. That's precisely why we think we need an early meeting.

VOA: standard.2009.09.11

And I mentioned three reasons, Why we need it as an independent field as opposed to just being " "well,let's do some studies on happiness,on relationships" ? as it is always being done?

我提到了三个原因，为何我们把它作为独立的研究，而不简单地,“研究一下幸福和爱情“,不像一贯人们所做的那样？

哈佛公开课 - 幸福课课程节选

Let's hear first, now we need to begin to investigate the reasons why you think it's the right thing to do.

我们先来听听大家的说法，探究一下为何,你们会认为这是正确的选择。

耶鲁公开课 - 公正课程节选

I would think that it would approach inifinity, and I would need to think about it and get back to you in terms of why we don't actually hit it and see something with an infinite wavelength.

我会认为波长会接近无穷大，而且我需要考虑一下,然后返回来告诉你,为什么我们没有说对,为什么我们没有看到,无穷大波长的东西。

麻省理工公开课 - 化学原理课程节选

I believe that and why do we need to have it as a basic premise of the course, '?" as opposed to change is illusive?"

我相信这一点，但为什么我们需要把它,作为课程的基本前提，而不说'改变是虚幻的“

哈佛公开课 - 幸福课课程节选

So we need something to direct it, but why couldn't that just be, one particular part of the body plays the part of the command module?

所以我们需要某个东西来引导,但是为什么不可能仅仅是,肉体某个特定的部分在扮演着,指挥舱的角色呢

耶鲁公开课 - 死亡课程节选

It's a difficult thing to do these things and that's why we need invention.

做这些事很难,这正是我们需要发明的原因。

耶鲁公开课 - 金融市场课程节选

If we have a higher z effective, it's pulled in tighter, we have to put in more energy in order to eject an electron, so it turns out that that's why case 2 is actually the lowest energy that we need to put in.

而如果有效核电量更高，原子核的束缚也就更紧，我们不得不输入更多的能量来打出一个电子，这就是第二种情况,所需要输入的,能量更少的原因。

麻省理工公开课 - 化学原理课程节选