And both are members of larger currency unions: Ireland is part of the euro zone, Nevada part of the dollar zone, otherwise known as the United States of America.

两地均为比较大的货币联盟的成员：爱尔兰是欧元区的一部分，而内华达是美元区或称为美利坚合众国的一部分。

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This gap may explain the strength of the euro, which has risen against the dollar in recent weeks despite endless euro-zone sovereign-debt worries (see chart).

这些差距可能会解释欧元的强势。 近几周，尽管欧元区国家对于债务危机的忧虑在不断增加，欧元对美元依然走强（见图表）。

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The dollar has steadily risen against some other currencies this year, helped by stronger U.S. economic data and weaker prospects in the U.K. and euro zone.

受美 国经济数据转好支持加之英国及欧元区前景不佳，今年美元兑其它货币汇率稳定上行。

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Jen says there have been two large currency zones operating for the last decade: The European Monetary Union and the defacto dollar zone.

FORBES: The Dollar Is Like The English Language

If the government of Los Angeles defaulted on its debt--which is possible, you know--does that mean that Los Angeles must leave the "dollar zone" and issue a new Los Angeles peso?

FORBES: Magazine Article

Mr Greenspan's greatness should be measured by his successful adaptation of American monetary policy to this world now dominated by capital flows, and especially at a time of increasing challenges from a growing dollar-zone through China and other dollar-linked emerging economies.

ECONOMIST: On Alan Greenspan, Robert Frost, Kashmir, Saudi Arabia, Ariel Sharon, socialism, public relations | The