Alright, I have the problem so clearly this algorithm whatever it's gonna be is gonna be at least twice as fast because I'm doing half as much work.

现在，这个问题已变得清晰,不管怎么样，排序算法的效率,至少是之前的两倍,因为我只需要做一半的工作。

哈佛公开课 - 计算机科学课程节选

It could be, they're twice as likely to choose Left as Right.

这也可能啊,选左可能性是右的2倍

耶鲁公开课 - 博弈论课程节选