flexible rate system的用法和样例：
例句
- Most countries adopt single-rate systems in which all foreign exchange transactions are carried on at one official rate of exchange.
多数国家采用单一汇率制，一切外汇交易按官价汇率进行结算。 - The policy implication of the findings is that the basket-pegged exchange rate regime of RMB is a realistic and reasonable choice in the near time range.
本文给出的政策含义是，就近一阶段而言，人民币采用钉住一篮子货币汇率制是一种现实且合理的选择。
