very much for that overly generous introduction.

非常感谢你的慷慨介绍
At least one thing you said wasn't quite right.

但至少有一点我觉得你说的不全对
It may or may not have been economics' good luck when I left physics,

我转修专业对经济学而言谈不上是件幸事
but it was surely the good luck of the physics profession

但当我放弃学习物理的时候
when I left physics.

肯定是物理界的一件幸事
I appreciated your generosity in reflecting on the different sectors

非常感谢你对我所有工作过的部门
in which I've had a chance to work.

都做了介绍
When I first moved from the University to Washington,

起初当我离开学校去华盛顿任职的时候
people asked me,

人们问我
well what's different about being a senior Treasury official

做一个财政部的高官
from being a professor at Harvard?

和在哈佛当教授有什么区别
I realized the answer to that one was easy.

我觉得答案很简单