And they walk significantly slower toward the elevator, not knowing that they were primed with old words.

走向电梯的速度明显慢，虽然不知道自己被与“老“相关的字影射过。

哈佛公开课 - 幸福课课程节选

It varies with the square of distance so it goes - in order to go twice as far it takes four times as long.

速度是与距离的平方正相关的--,如果要扩散两倍的距离要多花四倍的时间

耶鲁公开课 - 生物医学工程探索课程节选