What's missing in this model of this piece of soccer, this game within a game?

在这个足球的模型中我们忽略了什么,这是一个博弈的模型对吧

耶鲁公开课 - 博弈论课程节选

So before we leave it, I've been making a point in this class of coming back to reality from time to time, so this is a very simple model of the soccer game in reality.

在我们结束讨论之前,我来强调一下,我们应该回到现实中,这是一个很简单的足球模型

耶鲁公开课 - 博弈论课程节选