I never early thought of doing it as a career.

我从来都没有想过将哲学作为我的职业。

普林斯顿公开课 - 人性课程节选

So musical notation: the first grid pattern in Western culture-- but it does lock us in in interesting ways that we may-- you perhaps have never considered-- compared to how music is made in other cultures.

因此音乐记谱法,是西方文化中最早的网格图示,但这也限制了我们以某种有趣的方式,你们也许从来没有想过的方式创作,相对其他文化中音乐创作的过程而言

耶鲁公开课 - 聆听音乐课程节选

I just wanted to point out that although you see these chlorine atoms in these drugs, in fact, I don't think I've ever seen an acid chloride in a final pharmaceutical product or drug that we take, and the reason is because they're so reactive that you wouldn't want to have that in something you digest.

我只是想指出一点,那就是尽管你在这些药物中看到了氯原子，实际上，我想我从来都没有在一个,成品的药用产品或者药物中见到过酰氯，这原因是因为它们太容易反应了,你不会想让它们出现在你要消化的东西中。

麻省理工公开课 - 化学原理课程节选