就在他们要走时，威尔斯曼走了出来，说道：“喂，那是谁？”

Just as they were about to move on, the Welshman stepped out and said: "Hallo, who's that?"

youdao

在这座城市，没有人真正清楚地知道他们要走向何方。

It's a city where no one really knows quite where they're going.

youdao

那些观察这些公众人物的人对他们要走的方向感到迷惑。

Those observing these public figures are confused at the directions they are going.

youdao

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