The exchange rate has been volatile due to the fluctuations in oil prices and growing uncertainty as a result of higher risk aversion associated with the debt crisis in Europe.

由于原油价格波动，同欧洲债务危机相关的风险规避力度增大导致的不确定性不断增强，汇率一直呈现不稳定态势。

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Many countries have done this in the past decade to protect themselves against fluctuations in capital flows or commodity prices.

在过去十年中，为了保护自己免受资本流动和商品价格的波动影响，储备了大量外汇。

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These speculators exacerbated the fluctuations in prices since they helped bid up oil prices further when they were high, and helped lower them further when these prices were low.

这些投机客加剧了价格的波动，因为他们通过竞价拉升了本就处于高位的价格，并在这些价格处于低位的时候进一步降低了价格。

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The Trulia Price Monitor also accounts for the regular seasonal fluctuations in asking prices in order to reveal the underlying trend in prices.

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Thus if you are going to make the case that the government should smooth policy based fluctuations in prices, then you should make the general case that the government should use subsidies to smooth other prices for businesses.

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Sufficient refinery capacity has as much influence on gasoline prices as fluctuations in the price of oil so if Americans want stable gasoline prices and almost no dependence on oil from outside North America, we need more refineries.

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