They also sell and trade securities and provide other services.
他们也出售和交易证券并且提供其他服务。
Investment Banks raise money for companies through offerings of stocks and bonds. They also sell and trade securities and provide other services.
投资银行通过上市股票和债券为公司筹资;它们也出售与交易证券,并提供其它服务。
References enable a business service to compose and aggregate other services to provide new business services.
通过引用,业务服务可以组合和聚合其他服务,以提供新业务服务。
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