You won't find a big number of people here online at random hours.

你不会找到这里的人随意小时的在线大数目。

youdao

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