monetary system

名词 monetary system:

1. anything that is generally accepted as a standard of value and a measure of wealth in a particular country or region
   同义词：medium of exchange

1. The monetary system of certain countries used to be based on gold.
   某些国家的货币制度过去一直是金本位的。
2. The monetary system of some countries used to be based on gold.
   过去有些国家的货币制度是金本位制的。