So, if we have a high intensity, we're talking about having more photons per second, and it's important to know also what that does not mean.

所以，如果我们有一个高强度，我们就是在讨论每秒钟,有更多的光子数，同样理解它不代表什么,也是很重要的。

麻省理工公开课 - 化学原理课程节选

will, it won't matter what the developed countries do.

那么，发达国家无论做什么也是没有意义了。

全球变暖和发达国家 - SpeakingMax英语口语达人

So realize you don't have to get it right the first time, but you have to listen and watch to what actually those problems are and that is one of the roles your teaching fellows play.

请认识到，并不是要你第一次就把事情搞对，但是你必须听听，看看,问题是到底什么，这也是你们的助教,扮演的一个角色。

哈佛公开课 - 计算机科学课程节选

It's a very tempting view to think, what makes life worth having and the only thing worth having for its own sake, is having pleasure and avoiding pain.

它也是一种很有诱惑力的观点，什么让生命值得拥有，而唯一,因其自身品质值得拥有的东西，就是享受快乐，避免痛苦。

耶鲁公开课 - 死亡课程节选

I think they probably also invented a few things, but it was very,very characteristic of the Greeks to borrow from the cultures they encountered and to adapt them, to make them more useful for their own purposes and nothing could be clearer than the alphabet as an example of that.

我认为他们或许也发明过一些事物,但从他们所遇到的文明中进行借鉴,将之应用到自己的生活中去,并使它们更适于希腊人自己的目的,这样的方式也是非常希腊风格的,也没有什么,能比字母表这个例子更能清晰地说明这点了

耶鲁公开课 - 古希腊历史简介课程节选

If,when we interpret the claim everyone dies alone, that just ends up being a slightly pretentious way of saying everyone dies, we might say,oh yeah,that is true and it is a necessary truth, but it's not especially surprising.

如果我们对每个人都孤独而死的诠释，只是装模作样地说明人终有一死，那我们会说，这是真理，也是必要的，但并没有什么好惊奇的。

耶鲁公开课 - 死亡课程节选