"And what happens is we have mazes and the children are able to organize the robots and see if they can get them through the maze within a certain time period."

VOA: special.2010.07.28

What if we were to take this electron and send it over to here, in other words, engage in electron transfer.

如果我们得到这个电子,并把它放在这里，换句话说，我们做一个电子传送。

麻省理工公开课 - 固态化学导论课程节选

It seems that computer technology is vital in making visual effects. What if we didn't have it?

好像计算机技术对视觉特效很有用。要是没有这个我们会怎么样？

没有特效的话 - SpeakingMax英语口语达人

What we did for the pneumococcal vaccine was we said we will pay one point five billion dollars if you develop the right vaccines, and the right volumes that we need and at the right price.

VOA: special.2010.03.29

And then we can say, OK, if we have many constituents, what if we have a mixture of stuff?

然后我们可以问，如果我们有很多组分，那么我们把它们混合后会是怎么样？

麻省理工公开课 - 热力学与动力学课程节选

Main message? Each one of us makes a difference every single day we impact the world around us and if we would just think about the consequences of the little choices we make what we eat,wear,buy, how we interact with people,animals, the environment then we start making small changes and that can lead to the huge change that we must have."

VOA: special.2009.11.18

What if we build a new status quo that involves interfaith cooperation?

如果我们建设出一个新的现实,它包含跨信仰合作，将会怎么样？

普林斯顿公开课 - 人性课程节选

"For all the scare tactics out there, what is truly scary, what is truly risky is if we do nothing!".

VOA: standard.2009.08.11

What if we have a case where making an exception and violating individual rights actually will make people better off in the long run?

如果有个特例,侵犯个人权利,长远来看，反而让人们获益更多呢？

耶鲁公开课 - 公正课程节选

He praised the sailors for doing just that. "No matter what, we always pull through if we pick each other up."

VOA: standard.2010.03.26

Well what if we could develop ways using engineering techniques to extend the life of an organ, so it didn't have to get it where it went so quickly?

如果我们能够发展,一种工程方法,延长器官的保存时间,就没有必要赶得那么紧了

耶鲁公开课 - 生物医学工程探索课程节选

So the money is available somewhere if the priority is decided that tackling climate change is what we have to do."

VOA: standard.2009.11.04

So, I brought up this idea, "What if we could just use SMS? You could send what you're doing. It will go out in real time to all the people who are interested in hearing it. And then, it would be archived on the Web. You could also enter it from the Web and it would be device-agnostic.

所以我提出了这样的想法，如果我们只使用短信息会怎么样？,你可以发送你正在做的事，它会立即,让每个有兴趣听的人都看到，接着，它会在网上存档，你还能再网上读到它,而不需要设备支持。

斯坦福公开课 - Twitter之父Jack.Dorsey演讲：好奇和灵感的力量课程节选

"For all the scare tactics out there, what is truly scary, what is truly risky, is if we do nothing,".

VOA: standard.2009.09.02

Now, I want to draw-- what if we write 10,000 policies?

现在我来画...,如果签了10000份保单会怎样

耶鲁公开课 - 金融市场课程节选

"Perhaps if we had a Pax, we could refocus on what is really important: the relationship,the love, being kinder than necessary.

VOA: standard.2010.05.18

Now what if we just study that?

如果我们只研究这种恋爱关系呢？

哈佛公开课 - 幸福课课程节选

"If you think about hurricanes in the Caribbean, hurricanes start their lives as waves, what we call easterly waves over Western Africa,"

VOA: standard.2009.08.30

What if we don't give tips?

那如果我们不给小费呢？

一定要给小费 - SpeakingMax英语口语达人

"If I did that I would be doing what we call legal speculation, and that's always dangerous,".

VOA: standard.2009.04.18

So, what if we were to put the two of these in the same room?

所以如果我们,把钠和氯放一块会发生什么呢？

麻省理工公开课 - 固态化学导论课程节选

"And if we don't change what led to the crisis, we'll doom ourselves to repeat it."

VOA: standard.2010.04.19

All right. What if we have passion, I'm sexually attracted to you, but no intimacy.

好，如果有激情，你让我欲火燃烧，但我们之间并不亲近。

耶鲁公开课 - 心理学导论课程节选

"If we let people just do what they want to do and not be held accountable, that is opening up the doors to torture and abuse."

VOA: standard.2009.03.21

I don't think they were having very good success, but they did notice something interesting which is that the rat kept returning to the corner of the cage in which it was stimulated the day before So Olds got an interesting idea, he said, what if we let the rats stimulate in its own brain, what would happen.

他们的试验并不是非常成功，但他们确实是注意到了一些有趣的事情,老鼠总是会回到,昨天接受刺激的那个箱子的角落,因此奥兹产生了一个有趣的想法，他想，如果我们让老鼠在自己的脑中对自己进行刺激会，发生什么事情。

斯坦福公开课 - 7个颠覆你思想的演讲课程节选

If you misrepresent what's in the plan, we will call you out.

VOA: standard.2009.09.10

So before long, we'll see, especially for problems that we can't allocate an int every time we want to store something, because what if we want to store 140,000 English words.

所以不久后，我们将看到，特别是对于,我们不能为int分配内存，每次我们想要,存储一些东西时，因为当我们想要,存储140，000个英语单词时。

哈佛公开课 - 计算机科学课程节选

I'm confident that if we move forward in a spirit of keeping in mind what's best for the American people that we should be able to accomplish a lot."

VOA: standard.2010.02.09

So, what we do as our seventh step is then figure out if we have any extra valence electrons left at all.

那么，第七步要做的是看看,我们还有没有剩下的价电子。

麻省理工公开课 - 化学原理课程节选

People's expectations were so high we didn't know if what we were publishing was going the meet those expectations.

我们不知道该网站,能否满足人们的期望,好消息是我们再一次。

麻省理工公开课 - 媒体、教育、市场课程节选