游戏的规则是这样的：第一，班里分成两组，并且每个组选一个组长。

The rule of the game is: first, the class is divided into two groups, and every group elects a leader.

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两个组都给自己选了名字，并将名字印在自己的衬衫和旗子上：一组叫做老鹰队，另一组叫做响尾蛇队。

Both groups chose a name which they had stencilled on their shirts and flags: one group was the Eagles and the other the Rattlers.

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我和麦德一组，我们选了天然气做研究课题。

I picked Matt and we together we chose natural gas.

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And they said, suppose we know we're going to be paired together, I'll choose Beta if you choose Beta. Would that work?

他俩这么商量的,咱俩会被分到一组,你要是选β我也选β,这会成功吗

耶鲁公开课 - 博弈论课程节选