一经聘任为教授，聘期可以延续到退休，不受学校、教学和科研工作量的考核tenured professor

• 他现为美国宾夕法尼亚大学化学系终身教授。

  He is currently a tenured professor in the chemistry faculty at the University of Pennsylvania.

• 科斯凭一篇“科斯定律”的论文，获得了终身教授和诺贝尔奖。

  Coase won tenure and a Nobel Prize with his work on the Coase theorem.