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They understand that they are getting value for their money: A cow is worth nearly twice as much if it is vaccinated.
VOA: special.2009.11.03
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And this is going to sound like a weird topic, we're going to see why it's of value in a second.
这听起来像个怪异的主题，我们将会去学习一刹那。
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Modest container theories, that is, say there's a value to being alive, but it can in principle be outweighed.
保守的有价值容器理论认为，活着有一定的价值，但是按道理它可以被超越。
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This is insurance that you pay each year for insurance in that year and it does not build a cash value.
为了这种保险可以持续生效,你每年都要缴纳保费,保费不产生现金价值
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In there, I want to make this distinction, this nuance: the evaluator is still going to be taking those expressions and using its rules to get a value, but it's not going to print them back out.
在这里，我想要做这么一个，细微差别：运算器依然会,对表达式,进行求值，但是不会,显示结果值。
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So what that means is the compiler is actually going to first "cast" so to speak 13 from whatever it is - to a float -- to a floating point value -- and then perform the division for us.
所以这里的意思是编译器将,做“计算“，譬如13这样一个浮点数,-到另一个浮点数-,然后为我们处理除法。
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As we increase the voltage, we get to a critical value at which it is possible to actually draw electrons across the gap.
当我们增加气压时，我们得到了一个临界值，在这个临界值上,将电子吸引过来是完全有可能的。
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Not a tremendous amount of inherent value in this strip of land, but it is important for where you could go by traveling through it.
这小块土地本身并没有重要的价值，但重要的是通过它可以到达的目的地。
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And what it involves is placing a value, usually a dollar value, to stand for utility on the costs and the benefits of various proposals.
其做法包括，作出估价，通常是估计出金额，来代表功利,即分别列出成本，和各项收益的金额。
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This is true even of seemingly identical signs, because each has its use value and is only intelligible as that which it exists to mean in a certain context.
看着相同的符号也是如此，因为每一个符号都有自己的价值,只有当它出现在某一语境中才能被理解。
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Remember what range does, it gives me a set or a collection or a tuple of integers from 0 up to 1 - is the last value, so it's going to give me everything from 0 up to the total number of heads.
我将要在这个循环范围内加上鸡的数量,记住循环范围的目的,它给了我一个从一开始的整数集合,或者数组,这是最后的值。
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Something that takes two inputs, a left operant - and a right operant and it just returns a Boolean value is-- or rather it returns a left to right value.
它有两个输入，一个是左边的作用物,一个是右边的作用物，然后返回一个布尔值-,或者更确切地说，返回一个从左到右的值。
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So a floating point value again is a number with a decimal point, so it depends.
一个浮点型数据就是一个,带小数点的数。
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So if I were to solve this problem, here's the way I would do it. I would say, first thing I want to do, is I want to input a value for the base as a float.
如果我想要解决这个问题，这就是我要解决它的方式了，第一件我要做的事情就是要,输入一个浮点数作为三角形的底。
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All right, but still it's a red light, right, and our hypothesis is that the red light has positive value in the sense that it means a certain thing. It means, we say, "stop."
它是一个红灯，我们假设红灯主动自带含义,它代表着，停“
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When solve is done, it wraps up, if you like, a value that it returns. Which is that.
如果你喜欢的话可以返回一个值，就是这个。
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Whole life" is more complicated because it builds a cash value according to a schedule and there is both non-participating and participating.
终身人寿保险则更为复杂,因为它会按照购买计划产生现金价值,其中又分为非参与式分红保险和,参与式分红保险两种
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And then the only other difference is obviously, it's a function I need to return a value.
然后还剩下一点明显的区别，对于方法我要有返回值。
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Not to harp on the mathematical features of this, but cubing, AX*X*X you know, if you're starting to do AX star, X star, X, every time you want to cube some value in a program, it just feels like this is going to get a little messy looking, if nothing else.
不要总是说这个的数学特性，但是体积，你们懂的，如果你开始做，在一个程序中，每次你想算几个数值的体积，感觉它就变得,有一点凌乱的，如果没有其他的。
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The interpreter is going to get a value for it.
处理器会对表达式运算得到一个结果值。
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Since this is a concave function, it's not just the expected value.
由于这是一条凹曲线,它不只是期待值
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And deciding how valuable it is, how good it is for me to be alive is a matter of adding up the value of the contents of the life.
它的价值，以及我活着的好处,取决于生活内容的价值总和。
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We notice that the value of E at r naught is negative, as it should be. It's a negative number.
我们主要到在r圈时E的值为负，和它本来的值一致，是一个负数。
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And again, a related problem that people run into is side-effects. You call a function and it returns a value, but maybe it, on purpose or on accident, modifies one of the actual parameters.
另外，一个人们常碰到的相关问题,就是副作用，你调用一个函数它返回一个值,但是故意或者无意的,它可能会修改一个实参的值。
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Marx, in the famous argument about commodity fetishism in Kapital, is comparing the way in which we take the product of human labor and turn it into a commodity by saying that it has objective value, by saying that we know what its value is in and of itself.
马克思在《资本论》里关于商品拜物教的著名论述中，比较了我们通过人类劳动创造产品,并将其转化为商品的方法,认为产品具有客观价值，认为我们知道它的价值存在于何并且知道它本身。
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I don't have to go read what it printed out in the screen. This has returned a value that I can use. Because I could do a test to say, is this a return value? If it's not, I'll do something else with it. So the binding is still there, it simply doesn't print it out.
我不想读到屏幕中打印出来的这行字,程序返回过一个我能够使用的值,因为我可以做个小测试，来说明这是否是返回的值，如果不是，我可以做一些其它的事,而这个绑定依然在这儿，没有打印任何东西。
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It's defined in CS50's library; its sole purpose in life is to ask the user for a floating point value and return it.
它被定义在CS50的函数库中，它的唯一目的是,向用户询问一个浮点数的值，然后返回它。
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That's the Python saying, that is a command, that is a specific command to get the value of the expression and print it back out.
这代表着Python告诉我们这是一个命令，这是一个,得到表达式的值,并显示的特殊命令。
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Now, the one that we're most interested in ANS is the one where, in fact, it gets out ANS, so you see down here in the code, there's a spot where it's going to return the value of ANS, which is what we want, right? That's the thing that holds the value that we intended to have.
现在我们最感兴趣的是这个,事实上它返回的是，所以你看这段代码,在这里返回ANS值,也就是我们想要的,对吧？,它就承载了我们想得到的值。
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