[] a bank with branches in many different places, that provides a range of services, especially related to current accounts , loans and saving money, for people and businesses商业银行◆big commercial banks, such as Barclays and NatWest大的商业银行，如巴克莱银行和国民威斯特银行◆the Commercial Bank of New York纽约商业银行▸comˌmercial ˈbanking