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

The traditional commercial bank would accept deposits from businesses and make loans to businesses.

早期的商业银行吸收商业存款,并发放商业贷款

耶鲁公开课 - 金融市场课程节选

And all we can do after we accept this nature is to first understand it through research, and then after we understand it, make the best use of it.

在接受这个本性后，我们唯一能做的,是通过研究首先来理解它，理解它后，好好地利用它。

哈佛公开课 - 幸福课课程节选

Now the question is "how does it expand" and "why is it so difficult for us to understand, accept, assimilate and live according to the fact that we can make a difference, if we understand that what we need to understand is how change happens.

问题是“它如何扩大“,以及为什么我们难以理解，我们能够做出改变这个事实,并接受，被同化以及据此生活，如果我们能了解我们需要理解的,是改变如何发生。

哈佛公开课 - 幸福课课程节选