But there was once, and I'm caring now,for her sake."

VOA: special.2010.05.15

You chose Alpha; I'm assuming these were roughly your payoffs, more or less, you were caring about your grades.

你选择的是α,我想这差不多就是你的收益了吧,你关注自己的成绩

耶鲁公开课 - 博弈论课程节选