I think a lot of people at this part of the class have a tendency to panic,

我觉得有些人总是惊慌失措
because it's a new idea, it seems like a lot of math around.

因为这个新概念好像需要很多数学知识
None of it's very hard math, it's all kind of arithmetic.

这只不过是算数问题而已很简单的
It's just this idea of not panicking.

大家没理由慌张的啊
So the example I want to look at is going to be from tennis,

我们要研究的案例与网球有关
and I'm going to consider a game within a game,

我把它看成是博弈中的博弈
played by two tennis players,

它在两个网球选手之间展开
and let's call them Venus and Serena Williams.

她们分别是维纳斯和塞丽娜·威廉斯
So Venus and Serena Williams.

维纳斯和塞丽娜·威廉斯
So a couple of years ago we used to use

好几年前我就开始用维纳斯和
Venus and Serena Williams for this example,

塞丽娜·威廉斯这两个名字作案例了
and then for a while I worried,

其实我曾经也担心过