轮盘赌上的数字永远不变，然而市场却从不担保发生在昨天的机会，明天一样会发生。

The Numbers on a roulette wheel never change, but markets offer no guarantee that yesterday's odds will be the same tomorrow.

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手表背面，内藏有完整的轮盘。轮盘旋转的同时，里面的小球弹起，等待降落在一个吉利数字上。

On the underside, a full roulette wheel spins while a ball bounces within, waiting to land on a lucky number.

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You spin this big wheel and it rotates for a while and then it stops at one number, but obviously a random number, because this wheel of fortune had all the numbers from zero to one hundred.

你转动那个大轮盘,它会旋转一会儿,最后停在一个数字上,显然是一个随机数,因为幸运轮盘可以指向,0到100的的任何数

耶鲁公开课 - 金融市场课程节选