Investors and regulators often look at bond yields to gauge their risk and expected return.

投资者和监管者通过债券收益率来评估其风险和预期回报。

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But in more exotic asset classes, the long-term expected return may be zero, or at least less than the risk-free rate.

但是在那些奇特的金融产品中，长长期望后的回报可能是零，或者最终低于无风险利率。

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I ask only one thing of you in return for what we have done on your behalf: pass on to your children the courage and resolve to act boldly and wisely whenever the future is at risk.

我只请求你们一件事情，来作为对我们为你们所做的一切的回报，那就是：每当未来出现危险时，把大胆而明智地采取行动这份勇气和决心传递给你们的孩子。

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Another, Pure Alpha, which has the standard two-and-twenty charges, aims at beating the market return but also at limiting risk.

NEWYORKER: Mastering the Machine

If you wanted an investment that paid a return at virtually zero risk, you would buy an insured bank CD or put your money in a savings account.

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And in large part these profits are the result of the government lending money at near zero interest which can then be reinvested at a higher return with little risk.

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