来自《耶鲁大学开放课程：博弈论 第12集 第12集》
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is to do with elephant seals,是和海象有关的 -
and I think even if it isn't true of elephant seals,就算指的不是海象 -
it's definitely true of certain types of fish,也肯定指的是某种鱼类 -
except that elephant seals make a better story.不过如果是海象 这个故事可能更完美 -
So imagine that these elephant seals--想像这是一群海象 -
it turns out that there are two possible mating strategies存在两种可能的交配策略 -
for male elephant seals.这是对雄海象来说的 -
By the way, do you all know what elephant seals are?顺便问一下 你们知道海象是什么吗 -
They're these big--people are looking blankly at me.它们很大 很多人对这个很茫然 -
You all have some rough image in your mind of an elephant seal?你们对海象都有大概的概念吗 -
You've all seen enough nature shows at night?你们晚上都看过动物世界吧 -
Yes, no, yes? Okay,有看过 没看过 好的