So I haven't done magic, I've given you a really fast way to solve a knapsack problem, but it's still exponential deep down in its heart, in something.

所以我并没有施魔法，我已经告诉了你,一种快速解决背包问题的方法了,但是某些方面它的核心仍然是指数增长的。

麻省理工公开课 - 计算机科学及编程导论课程节选

If babies are like--If babies also think it shouldn't happen, they might look longer, and essentially what happens is scientists do magic tricks to explore this very thing.

如果婴儿也觉得该事物出乎意料,那么他们会注视的更久,基本上科学家们,就是通过魔术技巧来进行研究

耶鲁公开课 - 心理学导论课程节选