This is why investors tend to do poorly during periods of rapid economic growth .

这正是投资者之所以往往在经济迅速发展时期战绩不佳的原因。

And each time the periods of calm become shorter .

每一次人们保持冷静的时间都会变短。

During long periods , such differences have huge effects .

长时间以来，这种差异产生了明显的效果。

Award more bonuses in shares and pay them over longer periods .

应该在更长的时间内以股票的形式奖励更多的红利。

Waves of liberalization have often been followed by periods of inaction .

自由化的冲击波之后往往跟随着一段时间的无所作为。

In boom periods , steel mills need guaranteed supply .

在繁荣时期，钢铁公司需要有保障的供应。

In other periods , bondholders fared far worse .

在其他时期，债券投资者的回报要差得多。

Aspirin taken over long periods reduced the spread of cancer through metastasis by around 50 % .

通过新陈代谢，阿司匹林可以在一段较长周期内可减少约50%的癌症扩散。

If you have painful twinges halfway between your periods , you may be feeling your body ovulate .

在你月经周期过半的时候如果你感觉到疼痛，此时你感觉你的卵巢正在排卵。

It will also strengthen capital buffers in anticipation of periods of stress .

这加强了银行在未来经济衰退的时期里资本缓冲的能力。