But still, we're both worse off

不过我们的处境都更糟了
than if we could cooperate and just do the damn trade.

还不如我们老老实实成交好呢
And so that's the structure of The Prisoner's Dilemma.

这就是囚徒困境的问题架构
You can only appreciate

实践一下
the Prisoner's Dilemma by actually doing it.

你们会更好领会囚徒困境
So, here's--here is a numerical equivalent to The Prisoner's Dilemma.

这里看到的是囚徒困境的数值等效
Everybody should have a card in front of you, a file card.

每个人面前都有张卡片档案卡
If you don't--If you didn't get a card,

如果没有卡片
a piece of paper will do just as well.

找张纸来也行
Please write on one side "Cooperate"

一面写上合作
and on the other side "Defect"

另一面写不合作
and then please find a partner with whom to play one game.

再找一个搭档来玩这个单局游戏