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

Not until my continuing,evolving through time personality started.

一直到，我随着时间继续发展的人格开始时。

耶鲁公开课 - 死亡课程节选