higher grade deposit

例句：

1. 1.The bank offers higher interest rates for its higher-risk loans.
   银行为高风险贷款提供更高的利率。
2. 2. The company has a higher grade deposit account that can earn more interest.
   该公司有一个高等级的存款账户，可以赚取更多的利息。
3. 3.The higher grade deposits are usually safer and more secure than lower ones.
   更高级的存款通常比低级的更安全和更可靠。