As gamblers, employers and bankers know, even marginal differences in rates of return will yield big gains — or losses — over time.

无论是赌客、雇主，还是银行家，他们都清楚的一点就是：有时候回报率的差别即使很小很小，往往都有天壤之别，可以决定(一次交易的)的得失成败。

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But the return was no such easy matter: the stones were smooth and neatly cemented, and the rose-bushes and blackberry stragglers could yield no assistance in re-ascending.

然而回来可不是这么容易的事。 石头光滑，平整地涂了水泥，而那些蔷薇丛和黑莓的蔓枝也经不起攀登。

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Nitrogen and water are major factors for maintaining crop yield, getting better economic return.

氮素和水分是维持水稻高产和获得较高经济效益的主要因素。

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The slightly unconventional ways in which Greenblatt calculates earnings yield and return on capital also involve some good common sense and are particularly interesting given the recent credit crisis.

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The two variables: earnings yield and return on capital.

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Unfortunately, this kind of investment generally takes much longer to yield a return, and is not nearly as likely to do so as the others.

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