And there are different choices here 1, 2, 3, and 4 for Player I, and here's the 45o line.

参与人I有1一直到4的可选策略,这条是45°线

耶鲁公开课 - 博弈论课程节选

If I'm careful I should get this right 1, 2, 3, and 4 are the possible choices for Player I.

我好好画一下,这样会准确点,参与人I的可选策略从1一直到4

耶鲁公开课 - 博弈论课程节选

If Player I chose top, center yields 3, right yields 0: 3 is bigger than 0.

如果参与者I选择上,选中的收益是3,选右的收益为0,3大于0

耶鲁公开课 - 博弈论课程节选

Player II's payoff, from the same choices, top for Player I, center for Player II, again we go along the top row and the center column, but this time we choose Player II's payoff, which is the second payoff, so it's 3.

在这种情况下参与人II的收益,即参与人I 选上参与人II选中时,注意下是上行和中列,但是现在我们要找参与人II的收益,也就是第二个收益,即3

耶鲁公开课 - 博弈论课程节选