经济学家最重要的技能是清晰地思考权衡取舍。
"The point is not to predict the future, but to prepare for it."
I am happy and proud of what I have done, but not completely satisfied.
我不是下一个尤塞恩·博尔特,我是第一个尤塞恩·博尔特。
客户满意是我们公司最好的广告。