We know that two vehicles are going to come along and not help Tony and that the third vehicle will, because everything, as I say, happens in threes in folklore.

我们知道有两辆车会过来,而且它不会帮助托尼，那么第三辆就一定会，因为，我说过，在民间传说中什么都只发生三次。

耶鲁公开课 - 文学理论导论课程节选

Well it happens to give me three threes in a row.

碰巧给我了个一列三个3的结果。

麻省理工公开课 - 计算机科学及编程导论课程节选