Optimal fiscal policy requires that taxes be smooth over time, as abrupt changes can distort economic decisions.
最优财政政策要求税收随时间平滑,因为突然的变化会扭曲经济决策。
I want to be a teacher for my fans and show them that you can fail and still be magical.
道家的自然观不仅是一个物理概念,更是一个形而上的概念。
Sometimes the hardest thing and the right thing are the same.
年轻人并不堕落;他们只有在成年人已经堕落时才会被宠坏。
It is not the computer's fault that Maxwell's equations are not adequate to design the electric motor.