because they make life easy for P which is more aggressive.

因为如果进攻性强策略P会更好
So it wasn't a proof but it was a heuristic argument

我并没有证明只是做了启发性的讨论
and it turns out indeed to be the case.

而结果的确是如此
So in this particular game,

因此在这个特别的博弈里
a game you could imagine in nature,

一个你可以想像的在自然中的博弈
a game involving aggression and passivity within this species,

博弈中的生物或进攻或顺从
it turns out that in this example the only equilibrium

结果这个例子只有一个均衡
is a mixed equilibrium with 2/3 aggressive and 1/3 unaggressive.

是一个2/3进攻和1/3顺从混合的均衡
And this raises the question: what does it mean?

这又带来了一个问题这是什么意思
What does it mean to have a mix in nature?

在自然界中混合均衡是什么意思
So it could mean two different things.

可以有两个不同的解释
It could mean that the gene itself is randomizing.

可以说基因本身是随机