This protects you from adverse exchange rate movements in the future.

这样你就避免了未来时期里边汇率的不理想波动了。

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Exchange rate movements can complicate the picture, since most commodities are priced in dollars.

汇率变动可能会令情况复杂化，因为多数大宗商品都是以美元计价。

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And future remittances flows may be affected by additional factors such as tighter immigration controls and unpredictable exchange rate movements.

同时，未来汇款流量可能会受到更严格入境人数控制和汇率变动不可预测等额外因素的影响。

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Their most publicised activities, such as using derivatives to speculate heavily on interest-rate or exchange-rate movements, are hardly the kind of activity that will endear them to politicians.

ECONOMIST: The villains of global finance deserve a better reputation

This means that big exchange-rate movements can have a devastating impact on a country's balance sheet.

ECONOMIST: Floating with an anchor | The

PPPs can be a handy guide to the cost of living in countries, they may not be a reliable guide to future exchange-rate movements.

ECONOMIST: Big MacCurrencies