The monetary circulation in China has a history of about four or five thousands years.

我国货币的流通，大约已有四五千年的历史。

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Since 1999, the launch and circulation of Euro has not only had far-reaching influence over international monetary system, but also becomes a corner stone in the process of European integration.

1999年以来，欧元的诞生及其在全世界范围内的流通，不仅对国际货币体系产生了深远的影响，而且已经成为欧洲一体化进程中最重要的里程碑。

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The upshot, says the International Monetary Fund, is that M2, a measure of money in circulation plus bank deposits, is up a whopping 52 per cent in the past two years.

国际货币基金组织（IMF）表示，其结果是过去两年，衡量流通中的现金以及银行存款的指标——广义货币供应量（M2）大增52%。

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That is what it is now doing: Japan's monetary base (currency in circulation and banks' reserves at the Bank of Japan) grew by 23% in the year to January.

ECONOMIST: The yen

The Canadian penny is being withdrawn from circulation because production costs have exceeded its monetary value.

BBC: Canada stops distribution of penny coin

Economists use this category when looking to quantify the amount of money in circulation and trying to explain different economic monetary conditions.

FORBES: INTERVIEW: Inflation Should Not Be A Problem For U.S., Canada, Gold Prices To Rise -- Dundee's Murenbeeld