1. I need to deposit my paycheck in a commercial bank.
我需要把我的工资存入商业银行。

2. The commercial bank offers a variety of financial services to its customers.
商业银行为客户提供各种金融服务。

3. My friend works as a teller at a commercial bank in the city.
我的朋友在城市的一家商业银行当出纳员。

4. I applied for a loan at a commercial bank to buy a new car.
我在一家商业银行申请贷款买一辆新车。

5. The commercial bank has branches all over the country.
这家商业银行在全国各地都有分支机构。

6. I prefer to keep my savings in a commercial bank rather than a credit union.
我更喜欢把储蓄存在商业银行而不是信用合作社。