That'll stop you walking out early if you want to win the prize.

以防那些只想着赢的人逃课走了

耶鲁公开课 - 博弈论课程节选

I will then judge and then the winner will win some small prize, either of a literary or a food nature.

我来评谁胜出,胜出者有一个小奖品，可能是书，也可能是吃的。

耶鲁公开课 - 心理学导论课程节选

So if you win the election you get a prize equal to B.

如果你在选举中获胜可获得奖品B

耶鲁公开课 - 博弈论课程节选