w That's u2 minus u1, and it's q plus w.

就是u2减去u1，等于q加。

麻省理工公开课 - 热力学与动力学课程节选

So the payoff here is something like u1 if the goal keeper dives to the left is equal to 4, by which I mean there's a 40% chance of scoring.

收益u1表示门将扑向左路时,罚球者从左路进攻的收益是4,也就是说球被射入球门的概率是40%

耶鲁公开课 - 博弈论课程节选