Notice that these transport costs go up in the distance you have to travel and they go up pretty fast.

注意这些交通成本,随着距离而增长并且增长得很快

耶鲁公开课 - 博弈论课程节选

Now, instead of being the cost of traveling that distance to go and buy the product, what's it going to be?

不是走一定距离,去买产品的成本,它是什么呢

耶鲁公开课 - 博弈论课程节选

So one way to think about it is, is the expected distance from her of the winning candidates, is: with probability of a half it's herself so that's nothing, No distance, and with probability of a half it's two places away.

所以一种考虑的方法是,预期她与获胜者的距离是,由于她有一半获胜的机会所以没有成本,没有距离,且,距她两个位置远的人有另一半获胜的机会

耶鲁公开课 - 博弈论课程节选

So Y is the distance they have to travel and TY2 is their transport cost.

所以Y是他们要走的距离,而TY2是交通成本

耶鲁公开课 - 博弈论课程节选