随着金融市场受到新一轮信贷恐慌（原文很长，是fears about the credit drought，直译便是担心信贷枯竭，但为了和后面压字数，且恐慌一般都是由于供应不足，因此直接译为信贷恐慌）与房价下跌（slump）的冲击（buffeted by），博南克再也无法炫耀美国的经济了。

With financial markets buffeted by renewed fears about the credit drought and a deepening housing slump, Mr Bernanke could hardly boast of the economy’s soundness.

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由于供应短缺和经济情况的变动，混合动力汽车的月销量也时有波动。 但考虑到混合动力汽车的增长趋势，这种波动不足为虑。

So there is a growth trend here that sweeps away month-to-month variations in sales levels due to supply shortages or economic conditions.

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由于收成不好，现在马铃薯供应不足。

Potatoes are in short supply because of the bad harvest.

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