波动性股市的平均历史回报率，是计算资金成本和未来养老金负债拨备的重要数据。

The average historic return on the volatile equity market is central to calculations of the cost of capital and provision for future pension liabilities.

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但当利率低于历史平均如此之多时，预期升值肯定是讲得通的。

But when rates are below the historical average, it is surely sensible to anticipate an increase.

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对QE的观点：收入正在以低于历史平均水平的速度增长。

Income is growing well below historical norms. POINT: For QE.

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Can you imagine a study of relationships throughout human history ? that focuses on the average?

你能想象,对整个人类历史上的恋爱关系进行研究,并求平均值吗？

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