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

He seems there to be a kind of anthropologist writing a natural history.

他看似,以人类学家角色写自然演变史。

耶鲁公开课 - 政治哲学导论课程节选