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I can take you and immediately start designing batteries, because we need ions in motion, we need small ions in motion.
我可以从此让你快速起步设计电池，因为我们需要能运动的离子，我们需要能运动的小型离子。
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And it's pretty expensive to do so because I think they know you need to do it.
这样做很贵，因为我想他们知道你需要这么做。
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The message I'm trying to get to here, because I'm running you right up against time, is I have to be careful about what's a primitive step.
我想说的事情是，因为我正在跟大家讲算法时间复杂度，我们需要注意一个基本步骤的定义,如果我可以假设。
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And I'm not expecting you to do that calculation here, because it involves the calculator, among maybe a piece of paper as well.
我并不期望你们去做这个计算,因为它需要一个计算器，也许还需要一张纸。
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So I actually don't need the curly braces because I only have a single line of code.
所以我实际上不需要那个花括号,因为我只有一行代码。
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Fifty-two of you so far, so what we need are more people to get clickers, because some of these polls will be interesting to do.
目前为止有五十二个人,我需要更多的人能有个表决器,因为这样的投票会很有意思
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Well, this is the question raised by the skeptic about skepticism or about theory and it's one that we're going to take rather seriously, but we're going to come back to it because there are ways, it seems to me, of keeping this question at arm's length.
这是由对怀疑论或理论持怀疑态度的人提出来的问题,也是我们要认真探讨的，但是我们还会回来继续讨论，因为对我而言，我们需要和这个问题保持一定距离。
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I probably would not have worked as hard, and you don't need to.
说不定就不像现在这样用功学习了，因为没有这种压力，我可能不需要这么用功。
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I can't say because I need some person to listen to me
我不好说，因为我需要一个人听我说英语，
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because honestly, I don't need every role that comes my way.
因为说实话，不是遇到的每个角色我都需要接。
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Because I don't just want it to be me, I want to have there be somebody that's me with my personality.
因为我想要的不只是我的身份，而是需要带有我的人格的人存在。
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I didn't even need to know that heat capacity of the product, right. Because it's effect the thermal mass of the product is negligible compared to the thermal mass of the calorimeter.
我甚至不需要知道生成物的,热容是多少，因为生成物的,热质量的作用相比于,量热计的热质量是可以忽略的。
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Well, because it takes some time for these cellular events that I mentioned earlier to happen.
因为我之前提及的细胞活动,需要一些时间完成
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I think some people, because it's a huge amount of money,
我觉得有些人，因为它需要一大笔资金，
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I don't really care what key he's in 'cause I don't have absolute pitch, but I can find well, maybe it's a I,VI,IV,V,I chord progression or a I, I IV V I V,I progression or I,IV,V,I.
我也不需要知道他所用的调号，因为我不知道确切的音高，但是我能听出其中的和声，可能是一个，I，VI，IV，V，I级的和声进行，或者，是一个I，V，I的进行，或者。
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So if I try to rotate my 2 atoms, you see that I have to break that pi bond, because they need to be lined up so that the electron density can overlap.
如果我要试着转动两个原子，你会看到我必须要打破一个π键，因为他们需要连接起来,让那些电子能够重叠。
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I've got to go to the first place, figure out how far over to skip, go to the next place, figure out how far over to skip, eventually I'll be out the door.
需要多长时间？,这太离谱了，因为我需要先去第一个元素,计算出下一个元素。
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Alright, I have the problem so clearly this algorithm whatever it's gonna be is gonna be at least twice as fast because I'm doing half as much work.
现在，这个问题已变得清晰,不管怎么样，排序算法的效率,至少是之前的两倍,因为我只需要做一半的工作。
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And that's useful because clearly I don't need to know in advance what the answer is going to be, what that string is actually going to be.
那个是有用的，因为我不需要预先知道,那个答案将会变成什么，或者那个字符串将变成什么的时候。
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And so, in fact, if I wanted the other version of it, in fact, if I do this right, 23 it's going to give me 23 because it does the multiplication first, if I wanted the other version of it, Python I need to tell it that, by using, excuse me, parentheses.
因此，实际上，如果我想换种做法，实际上，如果我去执行这个表达式，返回值是3,因为乘法会被优先执行，如果我需要换种做法，我需要告诉，用括号来告诉它。
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I don't need to tell you the volume here, because you've got enough information to calculate the volume.
这里我不需要告诉你体积，因为你已经获得了足够多的信息,来计算体积。
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So, I need to tell you how you're doing the expansion, because that's going to tell you how much energy you're wasting during that expansion.
所以我需要告诉你,膨胀是如何进行的，因为这会告诉你,在这次膨胀中,浪费了多少能量。
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At least,I need some other kind of arguments, because of the intuitions I've got about the cases.
起码我需要别的论据，因为我从案例中得到了不同的直觉。
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We don't have to worry about memory disappearing just because my function is done executing.
我们不需要担心内存消失,因为我的函数已经执行了。
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I print out -- and this is only wrapping - because of the big font -- I print out, "I demand that you give me a positive integer."
我打印出来--这个字符相互覆盖了,因为用的是大字体-,我打印：“我需要你给我一个正整数“
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Now, I'm not introducing any genetic material at all so I don't have to worry about it replicating because there's no genetic material, all I do is deliver the particles.
这样就根本不用引入任何遗传物质,所以我也不需要担心它会复制,因为根本不存在任何遗传物质了,我所要做的只不过是接种部分微粒
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What is this? This is a wonderful piece of abstraction. It is saying, you don't need to know squat about what's inside the body of this function. You don't have to worry about the parameter names, because they're going to be preserved, you don't need to worry about how I'm doing it, this tells you how you can use this, in order to use it correctly. Of course, I can then close it off, and off we go.
但是这能告诉你一些信息,这是什么？,这是一段完美的抽象,它的意思是你不需要知道,这个函数的内部构造，你不必担心参数是否重名，因为它们已经被预存了,你不需要担心我如何使用它,它告诉了你你该如何操作，从而正确的使用它，当然我也可以把它关掉。
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stdio I don't even need standard IO because I'm not printing anything.
我甚至不需要,因为我不需要打印任何东西。
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I think it's wonderful because it "pulls up" just like Gadamer being "pulled up short," and there is, it seems to me, there's another crisis of expectation in this line in that especially as a toddler I need to negotiate that expression idiomatically.
我认为这非常好，因为“停下来“就像葛达玛的,“突然停下“一样，而依我看来，这里有另一个,期望危机，在这句话中，因为，特别是作为一个小孩,我需要用习惯性的表达法。
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Another way of saying it is, anything that uses get float doesn't care what the details are inside or shouldn't, and if I change that definition, I don't have to change anything elsewhere in my code, whereas if I just have the raw code in there, I have to go off and do it.
换种说法就是，任何用到获取,输入这个功能的人不用担心具体的实现细节,如果我改变了这里的实现，我并不需要去改变我的代码,因为我的最底处的源码就在这里,我去改这里就可以了。
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