Two: check to see if this is the answer, if this is the thing I'm looking for.

是否是我们要找的元素，接着，如果不是。

麻省理工公开课 - 计算机科学及编程导论课程节选

Is it okay if I do this?", "Are you comfortable with me doing this?".

我这么做合适吗？”，“我这么做不会影响你吧？”。

Let me 课堂 - SpeakingMax英语口语达人

Yes, it's 7. So, I don't know if this is true or not, but I wonder if that's where the actual name 7-Up came from.

对，是七，我不知道这是不是真的，但是我怀疑这才是,七喜名字的真正来源。

麻省理工公开课 - 化学原理课程节选

All right, if this is purely a test of, if this is true do this otherwise I don't care, I don't need the ELSE clause in there to identify it. All right?

好，如果这真是一个测验，用来测试如果是真的那么进行一些操作,否则的话我不在乎，那么我不需要ELSE语句,来进行声明了对不对？

麻省理工公开课 - 计算机科学及编程导论课程节选

If this is A, I'm going to draw a vector here.

如果这是矢量 A,我在这儿画个矢量

耶鲁公开课 - 基础物理课程节选

It's very simple. It's this: if I know what I'm doing, it is almost inevitably the case that you would know also.

实际上十分简单：,如果我知道我创作的是什么，那么你很可能也知道我创作的内涵。

普林斯顿公开课 - 人性课程节选

And so, we will see you if I time this correctly on Wednesday.

课等着你们，周三见。

哈佛公开课 - 计算机科学课程节选

I don't know if I'm repeating this but he was at his dentist I didn't tell you this.

我不清楚我是否在重复这个,但是他当时是在他牙医的诊所-我没有告诉你吧。

耶鲁公开课 - 金融市场课程节选

Clearly, if I take a chalk like this one here, and I throw it on the ground, and it breaks in little pieces, if I run the movie backwards that doesn't make sense, right?

很清楚，如果我拿一支这样的粉笔，把它扔到地上，它会摔成碎片，如果我们把这个场景倒过来放映,那是没有意义的，对吧？

麻省理工公开课 - 热力学与动力学课程节选

What's the point of all of this study, all of this work, ?" all of this self-denial if I could just wind up" ? - this is a good question -- if I could just wind up dead tomorrow?

要是我就要死了，这所有的学习，努力，自我克制还都有什么意义“,-这是个好问题--要是我明天就死了呢？

耶鲁公开课 - 弥尔顿课程节选

Well, if I want to look at this, I want to have very accurate capabilities in terms of the energy that I use, the light that I use.

嗯，如果我想看看这个，我得有精确的观察能力,根据我用的能量，我接收的光。

麻省理工公开课 - 固态化学导论课程节选

And then, you start thinking, "Well, I could really start doing this if only X and if I had this person or if this technology existed or if this happened or this happened."

之后，你会开始思考，恩，只要某项条件成熟了，只要我认识这个人,或是如果这个技术存在,或是如果这个或那个发生了，我就能开始落实这个点子了“

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

Once again I wouldn't be teaching this class, if I didn't change is possible.

如果我认为没有改变的可能，就不会教这节课。

哈佛公开课 - 幸福课课程节选

If the stereotype is "your group doesn't do good in this," if I remind you that you're a member of that group immediately before doing it, your performance will drop.

如果刻板印象是“你的群体数学不好”,如果我在考前说，你是这个群体的,你的表现就会下降。

耶鲁公开课 - 心理学导论课程节选

It's as if I'm arguing that if I reason this way and reason myself to choosing Beta, somehow I'm going to make the rest of you reason the same way too.

这就好像是在说,要是我这么推理然后选了β,我有办法让你们也都用同样的方式推理

耶鲁公开课 - 博弈论课程节选

Right? I could—This So if I could be up here making a fool of myself on a daily basis you guys are much younger than I and known for outrageous behaviors.

对吧,我可以,像这样,所以如果我可以在这里,自嘲自己每天的日常生活,那你们这些年轻人,以作风彪悍著称的年轻人

耶鲁公开课 - 聆听音乐课程节选