Foreign currency depreciation is a result of economic depression in the country concerned.

外汇贬值是有关国家经济不景气的结果。

《新英汉大辞典》

Those higher interest rates paid by countries with large external deficits were supposed to compensate investors for the risk of currency depreciation.

这些对外经常项目大额赤字的国家用本币支付较高利率来补偿投资者的通货贬值的风险。

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Some countries will do the former, either by an outright failure to repay their debts or via the more subtle approach of inflation and currency depreciation.

一些国家会采取前一种方法，拒不还钱，或通过通货膨胀和货币贬值这样更加灵活的方法不予支付。

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Socialist policies that undermined production and produced shortages of basic food products also fueled inflation, while a depreciation of the currency shortly before Chavez's death promised to worsen those problems.

CNN: Making the poor count -- a Hugo Chavez legacy

Not every Chinese citizen is in the position to export cash, so the next best tactic for the nervous is to buy gold, a refuge from plunging property prices and declining stock markets as well as an anticipated depreciation of their currency.

FORBES: Why Are the Chinese Buying Record Quantities of Gold?

Newly installed Prime Minister Shinzo Abe has made the depreciation of the currency one of the centerpieces of his controversial economic program, so there are expectations of aggressive tactics from the Bank of Japan, especially now that Masaaki Shirakawa announced on Tuesday his intention to step down early as its governor.

FORBES: Asian Currencies Tumble. Yes, This Is A Global Currency War.