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You have to with C, as with a lot of programming language, say what you return.
在C语言和大部分语言中,你必须说明函数的返回值。
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And so it's usually the case that you can get a higher return if you're willing to take more risk.
同样很常见的例子是,所以如果你愿意冒高风险,你可能就会有高回报。
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I find it again in the Christian tradition, when we do the... in Lent, like "You're from dust and to dust you will return."
在基督教传统中我发现，大斋节的传统,如“尘归尘土归土“之类“
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This is something I'd like you to practice, I'd like you to think about, be conscious of, and it's something we can return to.
这是我想让你们练习，并且希望你们多想想，并且小心注意的，这也是我们能够重现的。
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As you'll see when we return to Iser after I've said a few things about Hirsch, this, as you'll see, is the fundamental difference between Gadamer and Iser.
正如你们所看到的,当我谈论了赫施的问题之后,又回到了伊瑟尔，这就是葛达玛和伊瑟尔的明显不同。
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If you're comparing two portfolios with the same expected return, then you want the one with the lower variance.
比较两个有相同预期收益率的投资组合时，你会选择方差小的那一个。
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So you can think of a new line as being rolling the paper up so you're on a new line but a carriage return moves the cursor or moves that writing head all the way back to the left.
你们可以把换行想象成翻纸,把回车当做是将光标,移动到最左边。
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You call for us to return to our values, the values that define this country as a nation.
您呼吁我们重拾价值观，那些将我们凝聚成一个民族的价值观。
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And we pride ourselves in giving you a rapid return, but there is a tradeoff.
我们对你们成绩回升的那么快很自豪，但你需要权衡。
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Like, you can't take the government's services and then not give them anything in return.
比如，你不能享受了政府的服务,却不给任何回报。
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And what you will give me in return is on the first day, one cent-- one penny; on the second day, two cents; third day, 4 cents... Every day, twice as much as the previous day, starting with one.
你们给我的是，第一天，一分钱;,第二天，二分钱，第三天，四分钱。,每天给我前一天的两倍钱，从一分钱开始。
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The return on an investment is how much you made from the investment as a percent of the money invested.
投资的收益是指,你在整个投资中赚的钱占本金的百分比
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So you're implementing this black box, and if its purpose in life is to actually return a value, you have to tell the compiler what kind of value to expect, and this is going to have ripple effects.
你在实现这个黑盒子，如果它的目的是,返回一个值，你必须告诉编译器你期望的是什么类型的值，这个将是一个连锁反应。
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there that we want to highlight. In particular, -- notice-- let me highlight it for you, if I can find it with the wrong glasses on-- we've got these return commands.
这里还有一些我们要引起注意的变化，特别是注意这个，让我给你们强调一下-,看看我能不能戴着这副度数不对的眼镜。
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That would put you out here; you would have very much more return, but you'd have more risk.
那就会落在这个点上;,你可能有非常高的回报，但你的风险也增加了。
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If you looked at the domestic equity return -the average return that was posted in 2000--it was -3.1%.
看看国内证券的收益,2000年公报的平均收益率是负3.1%
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You can see that by doing this transaction I have locked in a return between 1926 and 1927.
你们可以发现,通过以上交易,我确定了26到27年间的回报
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You could always find a portfolio that had a higher expected return for the same standard deviation.
你总是可以找到一个投资组合,具有较高的预期回报,而标准差不变。
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But, I don't know what you were thinking, we got a 28% portfolio return last year.
不知道你们觉得如何,我们去年获得了28%的收益
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There's something else going on besides diversification; diversification means you get the average return.
除了投资多样化外,肯定还有别的因素,投资多样化代表着市场平均收益
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D-A-V-I-D Well, if I've got a five-letter word like D-A-V-I-D, well, that's like five bytes and yet we only have the ability thus far in this class to return one thing at a time I can't return five bytes to you, but wait a minute, those bytes by nature of a computer are just stored in RAM.
好的，如果有5个字母的单词，如，那是5个字节,我们只能返回一个东西,而不能返回5个字节，等一下，这些字节被计算机本能地,存储在内存中。
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Remember, this thing only runs for sixty days and you could compute your sixty-day return, but people like to compare annual returns-- once again, a tradition we have.
注意,这个债券期限只有60天,当然你可以计算60天的收益率,但是人们往往喜欢用年收益率进行比较,这也是一种传统
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A managed portfolio, you find somebody you think is really smart and you pay them a fair amount of money and in return they assert that they will pick winners for you, and in fact, you will outperform the stock market.
而代管投资组合就是说，你找一个你觉得很聪明的人,给他们一些钱,然后他们会说一定会帮你选出,赚钱的股票，实际上你会比股市整体表现要好。
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This would be good luck if you were long and now suddenly you got a huge return that you would not have thought was possible since you've never seen it before.
如果你长期持有这份投资,你就走运了,回报如此之高,你自己都没有料到,可能你也从来没有见过这种情况
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You'd have a higher expected return with no more variance.
你的预期收益率提高了，但风险没有增加。
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But ultimately, everyone agrees I-- that's the premise here, that for the-- if you're comparing two portfolios with the same variance, then you want the one with the higher expected return.
但归根结底大家都会同意这一点-,这是一个前提-,当你比较两个有相同方差的投资组合时，你会选择预期收益率高的那一个。
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You should see that the blue line is better than the pink line because, for any expected return, the blue line is to the left of the pink line, right?
可以看到蓝线比粉线好,原因是对于任意的预期收益率，蓝线都在粉线的左边，对吧？
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So, we should use that, but people in finance resist using that because it's a lower number and when you're advertising your return you want to make it look as big as possible.
所以我们应该用这个指标,但金融界反感使用几何平均,因为它比其他平均数都来得小,他们为自己的收益率做广告时,当然希望数字越大越好
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