When a customer is registered with the system, paying in cash involves exchanging physical money for the virtual sort, called “e-float”, which is credited to his mobile-money account.

当客户登记使用该系统支付现金时，需要以实物现金交换名为e-float【注3】的虚拟资金。

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American investors and bankers were afraid their money would drop in value because of the use of silver. They began exchanging their money for gold.

美国投资者和银行家们担心他们的货币因采用银元作为支撑会引起贬值，于是他们开始将手中的美元兑换成黄金。

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In the Temple courts he found men selling cattle, sheep and doves, and others sitting at tables exchanging money.

看见殿里有卖牛羊鸽子的，并有兑换银钱的人，坐在那里。

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We would all be better off if our leaders in government recognized that when we trade, we're exchanging products for products--money merely the measuring rod of value that increases the frequency of exchange.

FORBES: The sheer folly of currency devaluation.