Indexed portfolios, you basically say, I want to own all of the stocks that there are, and if the stock market goes up, I make money, if the stock market goes down, I lose money.

指数化资产组合，使之我拥有这些股票，如果股市走高，那么我就赚钱，如果股市走低我就赔钱。

麻省理工公开课 - 计算机科学及编程导论课程节选

If I wanted to walk from one end of San Francisco to the other,

如果我想从旧金山的一头走到另一头，

旧金山的公共交通 - SpeakingMax英语口语达人

And I think if you are outside, whether you are walking or sitting, paying attention as a spiritual practice is really not only seeing, but having all of your senses engaged in what's going on is important.

我想如果你在户外，无论是走，或是坐，作为感受灵性的实践,所谓的注意，并不仅仅是看，而是调动你所有的感官,来感受身边的一切，这才是要点。

普林斯顿公开课 - 人性课程节选

Well, if I do that, he'll do that and he'll do that and then he wins, so I won't do that," right?

要是我这样下,他就会那样下,如果他走了那一步,那他就赢了,所以我不会走这一步 对吗

耶鲁公开课 - 死亡课程节选

Now, the decision tree, if I branch left, it's a binary tree.

现在，这个决策树，如果我走左边的分支，这是一棵二叉树。

麻省理工公开课 - 计算机科学及编程导论课程节选

If you want to call something as A + B, it means that I did A and then I did B.

如果你想某个量称为 A + B,它表示我先沿着 A 走,然后是 B

耶鲁公开课 - 基础物理课程节选