When other countries must acquire your currency to trade, and must keep your money in reserve to protect the value of their own, your securities sell at a premium.

当其它国家必须用你的货币进行交易，必须储备你的货币以保护其本币价值时，你的证券就可以溢价销售。

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Continued stalemate could also further depress the value of the dollar and challenge the greenback's status as the world's prime "reserve currency."

持续的僵局也可能进一步打压美元估值，以及挑战“绿皮钞”(指美元)世界第一“储备货币”的地位。

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The absence of a credible alternative to the dollar means that, despite its declining value, its status as the world's reserve currency is not seriously under threat.

缺乏一种替代性的货币意味着即便美元的价值持续下跌，但它世界储备货币的地位不会受到严重威胁。

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Such adjustments are often sudden, leading to a very sharp fall in the value of a currency: this was highlighted in new research published recently by the Federal Reserve, America's central bank.

ECONOMIST: Fasten your seatbelts | The