They're not trading in securities, although they would deal in securities as a part of the underwriting process.

他们不买卖证券，虽然在经营证券,是他们承销的一个环节。

耶鲁公开课 - 金融市场课程节选

Investment banks are very different in that a pure investment bank does not accept deposits and it doesn't make loans; it's an underwriter for securities.

投资银行是完全不同的,单纯的投资银行既不吸收存款,也不发放贷款,投行是证券承销商

耶鲁公开课 - 金融市场课程节选

Investment banking means the underwriting of securities.

银行投资业务意味着证券承销。

耶鲁公开课 - 金融市场课程节选

investment banking does underwriting of securities.

投行做的是证券承销。

耶鲁公开课 - 金融市场课程节选

For example, if Ford Motor Company wants to issue corporate bonds or they want to issue new shares they would go to an investment bank and the investment bank would say, okay we can underwrite for you, but we'll do it for you.

例如，如果福特汽车,想要发行公司股票或者募集新股,他们会去投行,然后投行的人会说，好的我们能帮你承销。

耶鲁公开课 - 金融市场课程节选