So you really want to think about why we're modeling, what do we get from this exercise?

你们要多问问自己为什么要建模,我们能从这些模型中学到些什么

耶鲁公开课 - 博弈论课程节选

I try to come to the park early, you know, get some exercise and get a nice walk and some air.

我尽量早起去公园，去锻炼身体，散步，呼吸新鲜空气。

中央公园的时光 - SpeakingMax英语口语达人

We're not asking you to change anything; in fact it's best for this particular exercise to eat as you typically would so you can get a sense of what an average day would be like for you.

我们不是要求你去改变什么,事实上,对于这个作业来说,保持以前的饮食习惯是最好的,以便了解自己平时的饮食

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Yeah, you know, they have got to get their exercise, you know.

是的，他们是应该要锻炼的。

在中央公园溜达 - SpeakingMax英语口语达人

Okay. Those of you who have your clickers let's pull them out, what I'd like you to do, if anybody doesn't have your clicker yet, please bring it to class. Please get one and bring it to class and we're only going to do one these exercise with the clickers today just as a test, but in subsequent classes we'll be using them quite a lot.

好,带了表决器的人把它拿出来,如果有人还没有表决器,我希望,你能弄一个然后把它带到课上,我们今天只要用表决器做一个测试,但之后的课中我们将多次使用到它

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选