来自《耶鲁大学开放课程：金融市场 第14集 第14集》
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and relying on the law of large numbers.把所有的风险都分散开 -
A casino does not have a risk赌场也不会有风险 -
that the law of large numbers will be repealed大数定律会消除风险 -
and a roulette table will be a long-term losing proposition像是轮盘赌博 久赌必输 -
or a craps table will be a long-term losing proposition.或是双骰赌博 久赌必输 -
They have risks that their overhead won't cover有些风险是赌场的抽头所无法补偿的 -
or that they won't have或是他们不会面对的 -
their risk is that a steady stream of people won't come比如客流量不稳定的风险 -
and be making a steady stream of bets at which或者是每个赌局的赌注 -
each of them has a slightly negative expectation.不稳定的风险 -
We really want to think,我们确实要思考一下 -
whenever we look at anything,无论什么时候看待任何东西