domestic currency(local currency)本币/fractional currency辅币
例如:
从根本上说,外汇储备的作用在于避免货币危机:当贬值趋势失控,就可以调用美元来够买本币。
At root, FX reserves exist to avert currency crises: when devaluation spirals out of control, dollars can be deployed to buy up the local currency.
fractional currency
也有说subsidiary money的,但没找到例句,只有:
美国的辅币包括一角的和五分的;辅币顾名思义就是比基本货币单位小的货币。
American divisional (fractional) coins include the dime and the nickel; fractional currency is currency in denominations less than the basic monetary unit.
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