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

That's the therapy. There isn't a magic exercise.

这就是药方。没有什么神奇的运动。

激情生活 - SpeakingMax英语口语达人

It works its magic, again, through purely instrumental means, so we can't really call those songs, and this puzzled me.

纯器乐的演奏方式,容我重申,能产生神奇的效果,所以我们其实不能把器乐称为歌曲,这让我很困惑

耶鲁公开课 - 聆听音乐课程节选

If it says "From Brian" on it, the magic isn't really there.

NPR: What Every Boy Needs to Know

And the magic hasn't kicked in yet.

WSJ: Is Twitter Really Worth $10 Billion?

Magic doesn't come off a cue card.

BBC: Memory and method: In praise of learning by rote