So if you wanna do something conditionally, you generally needs to ask the question, is the following true or false.

假如想在一定条件下做一件事情，你需要判断下这个条件，来看看条件是真还是假。

哈佛公开课 - 计算机科学课程节选

And it's also just really funny to watch how people help each other in that situation.

看人们在那种情景下如何互相帮助也真是件有趣的事情。

去溜冰场 - SpeakingMax英语口语达人

I of course picked the wrong day to wear a sweatshirt under really hot lights so thankfully I came prepared with another item from the-- from the store.

当然，我在主光灯下穿了件运动衫，这确实不太明智,幸好我过来时,从商店准备了另一件。

哈佛公开课 - 计算机科学课程节选

Second thing we've been doing, I want to highlight for you is, we've along the way, mostly just verbally rather than writing it down, but we've been talking about good style.

我们一直在学的第二件事情是,我想给大家强调下，我们一直在口头上说，而没有把它写下来，但是我们一直在说优秀的风格。

麻省理工公开课 - 计算机科学及编程导论课程节选

I want to talk about-- there were really three things that come together.

我想说下,有三件事得同时来说下

耶鲁公开课 - 古希腊历史简介课程节选

Okay. So next time we will turn to the somewhat formidable task of understanding Lacan.

好的，下节课我们要,讲到拉康，这将是件艰巨的任务。

耶鲁公开课 - 文学理论导论课程节选

Part of what we're doing in Princeton everyday is running to the next thing, to the next thing, to the next thing, always remind us on the next thing, and here you take a moment and realize the incredible richness of this moment.

我们每天在普林斯顿,都要奔向下一件事，下一件事，下一件事，总是被提醒着有下一件事，此时，花一些时间,体会到此刻,无可比拟的丰富。

普林斯顿公开课 - 人性课程节选

All right. Next remark.

好，下一件事。

耶鲁公开课 - 死亡课程节选

That's a choice, and that choice turns out to be very interesting and really important, because if you connect these two points together, you get a straight line that has to intercept the x-axis at some point.

在这一选择下,我们会发现一件非常有趣，而且极其重要的事,当你把这两点用直线连接起来，你会发现这条直线,将与x轴在某点相交。

麻省理工公开课 - 热力学与动力学课程节选

I want to talk a little bit about how you use the things we've been building in terms of functions to help you structure and organize your code.

第一件事情就是我要谈下,怎么利用我们,所做的能在方法方面,帮助你们组织和优化代码。

麻省理工公开课 - 计算机科学及编程导论课程节选

And remind you that inside of here, I'd better be changing the variable. All right, if that variable that's counting is not changing I'm going to be stuck in an infinite loop, so I ought to that, right, expect somewhere in there, a change of that variable. All right?

我最好改变了计数器的变量值，好，如果计数的变量没有变化的话，我就会被卡在一个无限循环里面,因此我应该【不可闻的声音】,对，在这里的某个地方，改变下计数器的变量，对不对？我要做的最后一件事情就是？

麻省理工公开课 - 计算机科学及编程导论课程节选