A commodity, such as gold, or an officially issued coin or paper note that is legally established as an exchangeable equivalent of all other commodities, such as goods and services, and is used as a measure of their comparative values on the market.

• 钱，货币，纸币一种商品，如金子或官方发行的铸币或纸币，把这种货币或纸币定为可与其他一切商品、如货物和服务的等价交换物，并用作市场交换价值的尺度