There have been fundamental changes through time that make the role of the central bank evolve and change through time.

试图保持系统的稳定,随着时间的发展，基本的改变发生,使得中央银行的角色演变。

耶鲁公开课 - 金融市场课程节选

Well, apparently Richard in real life did not refuse to make those changes. And imagine, in a book that then undergoes this publishing history that I have described, this is kind of a symbolic scene.

很明显，现实生活中的理查,并没有拒绝那些修改,想像一下，经历上述出版过程的一本书，这是象征性的场景。

耶鲁公开课 - 1945年后的美国小说课程节选

We establish these targets, we review them once a year, we don't make changes in many years, they're quite stable, and when we do move them we don't move them by a lot.

我们设定了这些资产配置,每年都会评估一次,这些指标已经很多年没有变过了,十分稳定,即使我们要调整,也不会有很大幅度

耶鲁公开课 - 金融市场课程节选