This hasn't really been studied but my guess is they become worse and worse for the reason I mentioned before.

原因还没有研究 但我猜测,导致人们的估测越来越遭的原因我提起过

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

So we can think about something I mentioned last time, which is when we're thinking about chemistry and what's really interesting in terms of chemical reactions, it's mostly valence electrons we're talking about, those are the ones that tend to be involved in chemical reactions.

我们可以考虑一下我上次提到过的一件事，那就是如果我们讨论化学,以及什么是化学反应中,真正令人感兴趣的东西，我们讨论的几乎都是价电子，它们才是在化学反应中,真正起作用的部分。

麻省理工公开课 - 化学原理课程节选

I should have also mentioned another really important information technology that developed in the nineteenth century was the Postal Service, although we had mail before then.

我应该也提到过,另一个产生于19世纪的,非常重要的信息技术,就是邮政服务，虽然我们在此之前就有信件往来。

耶鲁公开课 - 金融市场课程节选

But mathematically, we've mentioned this before, log N or really to be precise, log base 2 of N, is the way you express this mathematically.

但从数学上说，之前我们已经提到过了，准确地说是log，N，以2为底N的对数，这就是它在数学上的表示。

哈佛公开课 - 计算机科学课程节选

Well, the figure I saw last was a number too small to be mentioned; I mean, to say you just can't really say how much it is, but all right, two percent.

这个数字简直,小的可忽略了,我的意思是说你实在说不出精确地数字,但实际上只有2%左右

耶鲁公开课 - 古希腊历史简介课程节选

The other thing that I mentioned last time was that there seems to be a really big difference between the expected return on the stock market and the expected return on short-term debt.

上节课提到的另一条内容是,股票市场的预期收益,与短期债券的预期收益,存在着巨大差异

耶鲁公开课 - 金融市场课程节选