bad money drives out good money

例句：

1. 1. The government needs to control the flow of bad money in the economy.
   政府需要控制经济中坏钱的流动。
2. 2.The exchange rate is determined by the value of good and bad money.
   汇率由好钱和坏钱的价值决定。
3. 3.The bank's reserve requirement is designed to prevent bad money from flooding the system.
   银行的储备要求旨在防止坏钱泛滥到系统。