They compare average temperatures at any given time and place to a long-term average, or base period, for each area.

在每个地区，他们都用一个时间点的平均气温和长期或者一段时间内的平均气温进行比较。

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The authors of the current study turned their attention to long-term sleep loss, and examined whether the effects of such constant sleep deprivation could be erased with an extended resting period.

现在的研究人员将他们的注意力放在了长期睡眠缺失上，考察了是否持续的休息周期的影响能够弥补此种连续的睡眠缺失的损害。

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And we don't know whether that information is a good representation of the long-term behavior of stocks or whether the period we're looking at is a total outlier.

而且我们也不知道这个信息是代表了股票长期的好表现，还是说我们观察的这段时长完全是一个异常值。

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Stocks have paid 4% more a year over this incredibly long time period than short-term bonds.

股票在相当长的一段时间里,每年都比短期债券投资收益率,高出4个百分点。

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