On the other hand, we've just argued that you don't have a dominant strategy here; it's not the case that easy dominates hard.

我们刚才说这里没有优势策略,平坦之途并不总是优于崎岖之途

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Well if you're not defending the easy pass, he doesn't lose anyone, and if he attacks through the hard pass he's going to lose at least one battalion.

如果你没有在平坦之途设防他兵力不减,然而如果他从崎岖之途进军,那么他将至少损失一个营

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It isn't the case that defending easy dominates defending hard.

防守平坦之途并非优于防守崎岖之途

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So if you defend the easy pass, from his point of view, it doesn't matter whether he chooses the easy pass and gets one in there or the hard pass, he gets one in there.

那么如果你防守平坦的路,从他的立场出发,无论怎么选择,选崎岖之途收益是1,而选择平坦之途的收益也是1

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If you think this class is going to be easy, I think it isn't actually an easy class. It's actually quite a hard class, but I think I can guarantee it's going to be a fun class.

你要是认为这门课挺简单,这不是轻松的课,事实上它有点难,我保证这门课一定很有趣

耶鲁公开课 - 博弈论课程节选