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。

youdao

Low risk, high return, free time, if it is true, every day there will not be close to the shop closed shop.

低风险，高回报，时间自由，如果真是那样，每天也不会有近万家网店关店。

youdao

If the risk-free return is zero, then the entire return from equities will count as a risk premium.

如果无风险收益为零，那么全部股票收益将被当作风险溢价。

youdao

But he ignores the fact that savers are incurring permanent losses by being deprived of normal rates of return on risk-free assets.

FORBES: Bernanke Administers Another Cruel Dose Of Financial Morphine With QE3

Taking Greek junk bonds in return for risk-free Bundesbank ones.

BBC: The state of play in Athens

And because they have zero expected return, they are inferior to the rate of risk-free return.

FORBES: The Efficient Frontier