commercial banking

例句：

1. 1.Commercial banks are essential for the economy.
   商业银行对于经济至关重要。
2. 2.The commercial bank provides loans to small businesses.
   商业银行向小企业提供贷款。
3. 3. Commercial banks play a crucial role in financial stability.
   商业银行在金融稳定中扮演着关键角色。