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Characters are simple. Suppose you want to represent sets of strings, well you basically just generalize the hash function.
字母是是很简单的,如果你想表示一组字符串,基本上你要做的就是归纳出哈希函数。
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But one of your co-workers says, "You know, this is really important."
但是有个同事表示，“你知道，这事真的很重要。”
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It's also important, once we start talking about molecules, to have a way to represent them, and also to be able to look at a shorthand notation for a certain molecule and understand what the bond is.
还有很重要一点是，一旦我们开始讨论分子，我们需要有一种表示它们的方法，而且能够从中看出,某些分子的简化符号，并得知键的类型。
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And then, I had all these dots moving around this beautiful picture of this map, which represented downtown St. Louis and then later represented New York City, which I was amazed by.
接着我让这些点在这张,漂亮的地图上动来动去，让它们展现出圣路易斯市中心的景象,之后表示出了纽约城，这让我很惊奇。
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But it's a notion that's complicated in this case by the equally imperative notion "get out of the way," which doesn't at all necessarily entail stopping but rather accelerating in a different direction.
但是值得注意，这很复杂,正如红灯有时表示别挡路,它也不是从来都只表示停止,有时也表示向相反方向前进。
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It's not just that he seems obvious but is really subtle.
不是说他看起来很直白却实际上微妙的表示。
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So that's very sad, that part of his art was very very sad. But I still, I feel pathetic as I say in the last pages or so, but I never lost admire of his fortitude in going on and doing as much as he did.
这太令人伤感了,他的艺术也是很伤感的，我在书里最后几页表示了对他的同情，但是我,从来没有停止崇敬他,坚持不懈地做了这么多的精神。
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It turns out we can express all these functions in terms of G, G we wouldn't need to choose G, but it's a very useful function to choose.
最终我们能把所有的这些函数,用自由焓G表示出来，我们没有必要选择，但是这个选择很有用。
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Now, what did I want to do? I wanted to check membership. I want to do search. Well that's simple. Given that representation and some value, I just say gee is it there?
现在，我需要做什么？,我要做成员检查，我要做查找,这就很简单了，给了即定的表示和一些值,我只需要说喂在那儿吗？
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But at the end of the day, and here's why we just went with binary and not decimal years ago, when you have one implement a computer with a physical device, it's actually really easy to represent the notion of on or off.
但是最终，之前我们采用二进制,而不是十进制，主要是因为当我们用一台实体机器运行计算机时，这实际上很容易用开或者关的概念来表示。
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But before I do that, I would also like to welcome-- I know that some of you are watching this from home, to the extension school students, it's wonderful to have you here.
但在这之前，我也想对-,我知道你们中的有些人正在家里看这堂课，对进修学校的同学们表示欢迎，很高兴你们能听我的课。
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You've got to be very used to the notion of taking a vector in some oblique direction and writing it in terms of i and j.
你们应该已经很熟悉,倾斜的坐标系中矢量的概念,和用 i 和 j 来表示该矢量的方法
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You can communicate like good feeling with them with "I'm glad". So I recommend that you use it a lot.
你可以用“I'm glad”跟他们交流，表示你觉得和他们一起很开心。因此你可以多多使用这个句型。
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On the one hand, he says, his reference to a divine mission, he explicitly says there, will be taken by his audience as being just another instance of Socratic irony and insincerity.
一方面，他表示自己所指的神授任务，他很明白地表示，将会被听众误以为只是另一轮的,苏格拉底式讽刺及伪善。
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And so if I have concerns, it is sort of more indirect directions I think economic growth is doing all right, it's doing quite all right, 8% and if it's not 9%, if it's 8% ,7% range that's very handsome economic growth rate that should not be weigh upon anybody's mind as a matter of concern.
如果要说我关心什么，那就是隐藏的经济发展方向,我觉得印度的经济增长很不错，增长势头良好，即便不是9%，也是7%到,这种经济增长速度已经很厉害了,这种情况谁都不应该,表示担心。
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In other words, they probably bear a distant relation to the semiotics of the stoplight, and that's probably why red was chosen for ambulances and police cars: because they put into your head the notion of "stop."
这很可能是源自于,红灯在一些语义中表示停止的意思，它被应用在了救护车和警车上：,因为他们带有警告的意味“
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So in other words, if thankful is still false at this point, it means this condition did not work out very well, and so I'm going to do this block of code again.
换句话说，如果thankful在这时候还是false值，这表示这个条件没有实现地很好，所以我将再次去处理这段代码。
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