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。

youdao

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。

youdao

The difference between the random walk fluctuations of correct asset prices and the unpredictable wanderings of a drunk are not discernable.

正确资产价格的随机波动，醉酒者无法预测的踉跄步伐，两者之间的差异难以辨别。

youdao

The guaranteed prices protect them from market fluctuations.

VOA: standard.2010.03.10

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.

FORBES: Energy And The Election

He announced a review into the way the industry stands up to severe weather and fluctuations in prices, saying farm businesses had to be "effective and resilient".

BBC: Snow-hit farmers allowed more time to bury dead animals

This would be a mistake, for unless consumers see fluctuations in prices (especially at peak times), they have no incentive to conserve power or shift their use off-peak.

ECONOMIST: Charge ahead