That's why I spent a couple of minutes trying to spell it out.

否则我也不会花这些时间去阐述它

耶鲁公开课 - 死亡课程节选

If I shoot to the left and there's no probability of the goalie diving to the right, which means that they dive to the left, then my payoff is 4, meaning I score 40% of the time.

如果我从左路射门,而门将不会去扑向右路,也就是说他会扑向左路,此时我的收益是4,也就是说我进球的概率是40%

耶鲁公开课 - 博弈论课程节选