It involves two players and we'll call the Players I and II and Player I has two choices, top and bottom, and Player II has three choices left, center, and right.

此博弈有两个参与人,分别为I和II,参与人I有两个选择,上和下,参与人II有三个选择,左中右

耶鲁公开课 - 博弈论课程节选

He's a very good player, yeah, but for the first two or three years that he was at United, he hardly played at all.

他是个很好的球员，但是在前两三年，在联队，他基本不上场。

知道朴智星吗？ - SpeakingMax英语口语达人

So here Player I's strategy set, she has two choices top or bottom, represented by the rows, which are hopefully the top row and the bottom row.

这是参与人I的策略集合,她有上下两种选择,用横排来表示,即上下两排

耶鲁公开课 - 博弈论课程节选

We have Player I's payoff as a function of the two efforts and now I want to find out what is Player I's best efforts given a particular choice of S2? Yeah.

参与人I的收益是两人付出的函数,那么对于某个给定的S2,怎么计算参与人I的最佳对策呢

耶鲁公开课 - 博弈论课程节选

So here what we did before was we drew these graphs with probabilities, with beliefs of Player I and the problem here is, previously we had a nice simple graph to draw because there were just two strategies for Player II.

我们之前画了有关概率的图像,图像是在参与人的某个信念下的,但问题是之前参与人II只有两个策略,所以我们能画出那个简单的图像

耶鲁公开课 - 博弈论课程节选