mer·chant bank
noun/ˌmɜːtʃənt ˈbæŋk/
/ˌmɜːrtʃənt ˈbæŋk/
(British English) (also investment bank British and North American English)
- a bank that deals mainly with buying and selling shares and other investments for businesses and private investors
商业银行：主要为企业和私人投资者买卖股票和其他投资的银行