So at this point in the story-- at this level in the story, if you will, I've touched one, two, three, four numbers total or I've made two comparisons.

那么这时，我总共已经动过了1，2，3，4个数字,或者说我做了两次比较。

哈佛公开课 - 计算机科学课程节选

You don't need all these different things that There is something about we are moving ourselves, and giving ourselves opportunity that is just literally done at a park.

你不用各种所谓的,我们所做的就是,动起来，给我们自己,与自然接触的机会,而这在公园里就可以做到。

普林斯顿公开课 - 人性课程节选