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But, you know, any professor who stands before you should say the same thing about his or her subject. If they don't believe that, they shouldn't be teaching.
但是，你知道，所有站在你们面前的老师,可能都会这样介绍他的课程,如果他们不那样相信着，那他们就不应该教那门课了。
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I wish that I could live in their life for one day, but you know, they're just things.
我希望我可以过一天他们的生活，但是你知道，就是东西而已。
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You put some inputs in, it has a contract that says if you put the right kind of inputs in you'll get a specific output coming out, but you don't have to know what's inside of that box.
你可以将输入一些内容,它相当于一个条件合约,如果你的输入是正确的，你就能得到特定的输出,但是你不知道盒子里面有些什么。
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But, as you know, air is only 20% oxygen, the balance being nitrogen.
但是你知道空气中只有20%的是氧气，大部分的是氮气。
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You know from experience if you've ever mixed them to make salad dressing, they don't mix too well. And you may know that if you heat them up, they mix much better.
经验告诉我们,你无法把它们混合做成色拉酱调料，他们不会很好的混合，但是你也知道,如果我们把他们加热，就能够混合的更好。
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Depending on what kind of chemistry you go in to, you might accidentally memorize parts of the table, which is fine, but what you really want to know how to do is know how to use the periodic table.
取决于你今后从事哪个方向的化学研究，你可能会不经意地记住周期表的某一部分，这就够了，但是要注意,你真正需要知道的是如何使用元素周期表。
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I don't know if the word is approved but it's--you have to run it by the SEC and then you always have to give that up.
不知道人们对此是否认同,但是你不得不按证交会的规则去办事,不断地提交这类文件
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For example, imagine-- this shouldn't be hard for most of you-- imagine that you are an evil git, but you know that the person you're playing against is an indignant angel.
比如,你们把自己想象成饭桶恶魔,这对你们来说不难,但是你知道你的对手是个愤怒天使
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But as you probably know, a JPEG, a photograph, these are usually multiple megabytes these days which means there's a ridiculous amount of data still on that digital camera.
但是你知道，一个JPEG图片，通常是由几兆字节组成的,也就是说这些数据的大部分,仍然存在于数码相机中。
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But it's, you know, no one seems really pissed off or dissatisfied with their lives, you know.
但是你知道，似乎没人真的不高兴或者对自己的生活不满。
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We remember the fish that we used to eat free in Egypt Okay, we were slaves, but the food was free, you know?
我记得以前在埃及的时候不花钱就可以吃鱼,虽然我们是奴隶，但是食物是免费的，你知道吗？
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but for other people I know that didn't get into a place like this, you know, they...
但是别的我认识的人没有来到这儿，你知道，他们……
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You wanted to know your place in the universe, but you don't even have that kind of knowledge either, because you think you're writing novels, finding the cure for cancer, climbing Mount Everest.
你想知道自己在宇宙里的位置，但是你连那种知识都没有，因为你以为自己是在写小说，在寻找治疗癌症的办法，在攀登珠穆朗玛峰。
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But then as, you know, you're in the last couple of months of project or last month,
但是你知道，在一个项目的最后几个月或者月末，
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but definitely have your goals, you know, lined up, and, and you will be okay.
但是必须有自己的目标，你知道，列出来，然后你就一切都好了。
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And you know that your boss needs to see this early in the morning.
但是你知道你的老板明天一大早就要看这个。
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but like, you know, we're originally from Chicago,
但是，你知道，我们最初是从芝加哥来的，
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So that's the second thing I've just highlighted here, is that I now have the ability to check whether it does the right thing.
你知道的，一个虚数,但是返回虚数就没有什么价值了,那么这是我想要强调的第二件事情。
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Thing I've got a little procedure that could do that, but you know the simplest thing I could do is to say well, gee, wait a minute, why don't I just check to see if these are the same thing?
这两个点是同一个点么？,我已经写了一小块代码，可以提供这个功能,但是你知道的我可以做的，最简单的事情就是说好，嗯？,等等，我为什么不直接去看看,这两个东西相等不相等呢？
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But you don't know that there is an easy one for you down at number four 4 if you haven't bothered to look at number four.
但是你不知道,在数字4的时候会有一个简单的题目,如果你没有尝试去看数字。
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Well in C and other languages that we'll see this semester, you use what's called the for loop, and this as syntax isn't quite as straightforward but once you know what to look for, it's very easy to understand.
在C语言和一些我们这学期将要接触的编程语言中，你将会用到所谓的for循环，也许作为一种语法规则，它看起来不是那么的通俗易懂,但是你一旦知道曲中奥妙，就不难理解了。
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But you know when he's out of town, he doesn't call at all.
但是你知道，就连平时他出城的时候，都不会打个电话。
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The algorithm doesn't know that it's going to take this long to compute, it's just busy crunching away, trying to see if it can make it happen.
这很可能会发生，但是你知道的,算法本身并不知道，计算这个问题需要多长的时间，它就一直忙碌的算啊算。
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