investment banking
noun/ɪnˌvestmənt ˈbæŋkɪŋ/
/ɪnˌvestmənt ˈbæŋkɪŋ/
(British English also merchant banking)
[uncountable]- the business activity of banks that deal with large businesses, helping with buying and selling large numbers of shares in different companies
投资银行业务：与大型企业打交道的银行的业务活动，有助于买卖不同公司的大量股票