Sophia Maravell is enjoying a break from college to work with her father Nick.

VOA: standard.2009.12.08

We'll talk more about this later, but it often happens that when you change your program to solve one problem you break it, and things that used to work don't work.

我们以后会更多的去讨论者一点，但是经常发生的情况是当你因为,一个问题修改你的程序的时候,你修改了程序,但原来没问题的模块。

麻省理工公开课 - 计算机科学及编程导论课程节选

Is this possible? That's what the first law says it's possible; work is heat, and heat is work, and they're the same thing. You can break even 100% maybe. So let's go back and see what work is.

00%的效率,我们可以从大气中吸收热量，用来驱动我们的汽车,效率也应该能达到。

麻省理工公开课 - 热力学与动力学课程节选

It's simple whether that you walk to work, or you take 20 minutes during your lunch break to walk around the gorgeous campus or town that we are live in.

这很容易做到，无论你是走路上班，还是每天午休时花上二十分钟,在美丽的校园,或是你所在的城市转一转。

普林斯顿公开课 - 人性课程节选

So, hunger sets in and it becomes extremely sad and tragic, and attempts to break out simply don't work; but, it had its light moments, and I can never resist those.

饥饿来临,一切都变得如此悲惨,而尝试逃跑只是徒劳,但这其中也有些趣事发生,我对这些逸事总是没抵抗力

耶鲁公开课 - 1871年后的法国课程节选

But just go to cs50.net, click office hours and you'll see the Google Calendar with all of the office hours that are still happening tonight, as well as tomorrow and these are just an opportunity to chat, to ask questions one on one with the teaching fellows or course assistants or frankly just a way to hang out during brain break and work on projects and then see what some of your friends might be tackling themselves.

但是我要提醒大家去cs50，net网站看看,这里清清楚楚告诉你,什么时候该学习工作，当然也包括今晚的明天的，我们还有一个机会供，一个与研究生助教或课程辅导员交流的机会,更直白来说,是提供你们开小差的机会,看看你们周围哪些人,在开小差呢。

哈佛公开课 - 计算机科学课程节选

We are going to take a brief break, and when we come back, we are gonna talk about some of Professor Katz's work on a class that happened last year called the just universities.

休息一下，马上回来，之后我们会谈一下Katz教授,去年讲授的一节课,叫做公正的大学。

普林斯顿公开课 - 人性课程节选