If you don't know why you're about to eat cake like that you will soon, but you know this.

如果你现在还不知道为什么将要吃到那样的蛋糕,很快就会知道的，你清楚这一点。

哈佛公开课 - 计算机科学课程节选

Now, you can see why I'm talking about systemic effects.

现在你明白为什么我要说到系统性作用了

耶鲁公开课 - 金融市场课程节选