supplementary special deposits

例句：

1. 1. The bank is required to maintain a certain amount of reserves as supplementary special deposits.
   银行被要求保留一定数量的储备作为补充专项存款。
2. 2.The company has set up a fund for employees' supplementary special deposits.
   该公司设立了一个员工补充专项存款基金。
3. 3. The government has introduced new policies to encourage people to make supplementary special deposits.
   政府推出了新政策，鼓励人们进行补充专项存款。