currency control

例句：

1. 1. The government has implementeda currency control system to prevent the exchangeof foreign currencies.
   政府已经实施了货币控制制度，以防止外币兑换。
2. 2. The currency controlmeasures have been effective in reducing the valueof the local currency.
   这些货币控制措施已经有效地降低了当地货币的价值。
3. 3. The currency controlsystem is designed to maintain stability and preventhyperinflation.
   货币控制体系旨在维护稳定并防止通货膨胀。