Qi is the main currency of the country to use a knife.

齐国是使用刀币的主要国家。

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For another, the dollar is reasserting its value as the global economy's main currency.

另一方面，作为世界主要货币，美元正在重新估价。

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Sometimes it may lead to some kinds of side-effects, which proves USD's importance as the global main currency reserve.

这一点正说明了美元作为全球主要储备货币的重要性。

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At its simplest, this might mean no more than closer co-operation among the main currency blocks the dollar, the euro and the yen.

ECONOMIST: The international euro | The

They are also the main currency of political patronage.

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Currency traders in Eastern Europe use the euro as their main reference currency, and will typically choose their trades based on what the European currency is doing relative to the dollar.

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