记帐货币

例句：

1. 1. The company uses a system of accounting currencies to track its financial transactions.
   该公司使用一种会计货币系统来追踪其财务交易。
2. 2. In the past, people used paper notes as their primary means of exchange.
   过去，人们主要使用纸币作为交换手段。
3. 3. The currency exchange rate is determined by the market demand for the two currencies involved.
   货币汇率由两种货币的市场需求决定。