If you've ever been using some program, you did something completely innocuous, pull something down from a menu, click a button, you didn't do anything wrong and yet all of a sudden the thing just starts hanging there or you get a little spinning beach ball or the hour glass or whatever it is.

如果你之前在用一些程序，做一些无伤大雅的事情，拉下一个菜单，点击一个按钮，你没有做任何错误的事情,突然间有东西开始一直运行,或者一个沙滩上的小球旋转,或滴漏或是别的什么。

哈佛公开课 - 计算机科学课程节选

So, if there is one section of the lecture that I went a little too quickly for, you could say, gee, if I could just see that five minutes, you could click on it, zoom into that five minutes, play it a few times, and then say, I still don't know what he's talking about.

所以，如果有那节课,我上得过快，你可以说，天啊，我多希望我能看到那5分钟，你就能点击它，选择那五分钟，播放几次，然后说，我还是不知道他在说什么。

麻省理工公开课 - 固态化学导论课程节选

It may be obvious to you, the developer or the computer scientist or the engineer, well, obviously, I just click, here, here, here, here, here, here and voila, out comes my ticket, but most people don't have an interest in that process and a lot of people, this person in particular, just don't necessarily understand that process.

这对于开发人员，或者计算机专家或者工程师,可能是显而易见的，呃，显然地，我只要点击这里，这里，这里，这里，这里，瞧，我的票出来了，但是大多数人没有兴致,来做这些步骤，很多的人，特别是这个人，不见得懂得这些步骤。

哈佛公开课 - 计算机科学课程节选

The first thing to do is to go over here where it says, My Plate Calorie Counter, you'll actually get more information than just calories, but if you go over here, click on this, then the next version you'll see will be something like this.

首先你要看一下这里,写着,我每餐的卡路里计算器,你可能得到的不只是卡路里的信息,如果点击这里,接下来你会看到这个画面

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Just a few reminders, if any of you are here for the first time, and I know there are a few, if you go to this particular website, and you can get to this from the classes server as well, you'll see the course website that we've developed and it has a lot more information than if you just go to the classes server and click on the syllabus.

提醒一句,如果有同学是第一次来听课,我看到了有些新面孔,你们可以登录这个网站,从课程服务器也能找到,你们会发现我们更新了课程网站,其中含有大量的信息,若你只访问课程服务器,点击教程大纲

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

And this is now a program that's web based, it's SMS based, it's voice based and it used to be Linux based as you'll see in a couple of weeks and it's just a program thatlet's you click where you are, click where you wanna go and voila, here are the next several shuttles that you can take.

这个程序现在是可以用网络访问的，可以用SMS的，可以用语音访问的,而且它曾经是Linux下的程序,你们几周后就会看到，它是这么一个程序,你可以点击确认你现在的位置,然后点你想要去的位置,然后程序会返回给你你能做的班车。

哈佛公开课 - 计算机科学课程节选

In this case, this is one of the articles, in fact this was today's reading, I got here a little early so it was this particular article was assigned for today and-- but what shows up when you click on the initial tab is just the abstract of the article not the whole article itself.

例如这是其中一篇,实际上这是今天的资料,我今天到的比较早,所以把它放了上去,这是今天布置的文章,但当你们点击初始的按键时,只能看到文章的摘要而不是全文

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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