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So certainly we would expect to see that it has an effect in terms of seeing its wave-like properties.
所以我们当然可以预期,会看到波动性质的效果。
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It just explains that you feel a certain way and it might be contradictory to what is expected of you
它可以表达你产生了一种可能与他人对你的预期相反的感觉。
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It could be, preconditions I want to have on input It could be, explanations of specific things you're doing.
也可以是我对输入的预期是什么,也可以是，对代码,正在进行的特定操作的解释。
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Underlying this analysis, we have estimates of the expected returns on assets, notably, the expected returns on stocks and bonds.
凭借这个分析，我们可以估算出资产预期投资收益，特别是股票和债券的预期收益。
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And in principle, I could redo this calculation for every single possible probability you could think of.
并且理论上,对于每一个可能的概率对,我们都可以进行预期收益计算
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If we try this for the 2 s, we have 2 minus 1 minus 0.
我们有2减去1减去，所以我们可以预期看到。
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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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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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Depending on where the assets expected returns are and the assets' standard deviations, we can see that we might be able to do better than--have a lower variance than either asset.
根据资产的预期收益,以及收益的标准差，可以看到我们有更好的选择,这里的方差值比以上两种方案都要低。
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They might say my sample period was off, ... but that's what the theory-- ... using my data for the sample period that I computed-- the expected returns and co-variances says one should do.
他们可能说我的采样周期是有问题的，不过我的结果都是靠理论-,我采用自己收集的数据计算出-,预期收益和协方差可以用来指导我们的投资行为。
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If we have an annual return that we're looking at, we can find a completely riskless asset with an annual return-- it would be a government bond that matures in one year.
如果我们可以查看各项资产的年度收益，我们可以找到一个零风险,且达到预期年度收益的资产项目-,也许是一年期的政府债券。
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