They are the price of one currency in terms of another and, like the price of anything, when exchange rates change, supply and demand changes.

他们像任何东西的价格一样，是一种货币对另一种货币的价格，汇率变化时，供给和需求也会产生变化。

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All of this maneuvering to keep currencies from strengthening and economies growing is sparking international fears of a currency war: a round of competing measures to weaken exchange rates.

所有这些控制货币升值和保护经济增长的措施引起国际社会的不安，担心各国会竞相采取新措施，避免本国货币升值，从而触发一场货币战争。

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Tumbling exchange rates raised the real burden of foreign-currency loans, forced policymakers to keep interest rates high and pushed up the fiscal costs of bank rescues.

汇率的巨幅下跌加重了以外币形式持有的债务，这使得政策制定者不得不维持高利率并增加银行救助计划的财政成本。

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Richard Wagoner and Chrysler chief ThomasLaSordaThomas LaSorda used the meeting to ask for Bush's help in confronting challenges like energy security, health care, currency exchange rates and the rising costs of raw materials.

FORBES: Magazine Article

Nor did delegates even think of trying to create a new gold-based, Bretton Woods-like monetary system that would keep currency exchange rates of trading nations strong and stable.

FORBES: Vacuous Smiles, Vacuous Actions

Kingfisher blamed weak consumer confidence, unfavourable currency exchange rates, and bad UK weather hitting sales of "seasonal products".

BBC: B&Q owner Kingfisher profits hit by wet weather