flexible rate system的用法和樣例：
例句
- Most countries adopt single-rate systems in which all foreign exchange transactions are carried on at one official rate of exchange.
多數國家採用單一匯率制，一切外匯交易按官價匯率進行結算。 - 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.
本文給出的政策含義是，就近一階段而言，人民幣採用釘住一籃子貨幣匯率制是一種現實且合理的選擇。
