Another thing you can do is you can find the speed here.

你能做的另一件事就是你可以求出这里的速度

耶鲁公开课 - 基础物理课程节选

The point here is when you're playing a game, you want to think about what other people are trying to do, to try and predict what they're trying to do, and it's not necessarily a great starting point to assume that the people around you are random number generators.

这里的要点是当你在进行游戏时,你想要推测出其他人的想法,想要推测出他们可能的选择,假设别人是随机数生成器可不是,一个很好的出发点

耶鲁公开课 - 博弈论课程节选