保持大脑活跃对我的存活有至关重要的作用,还有保持幽默感也是。
The best leaders are those who can see the potential in people and help them realize it.
最优财政政策要求税率随时间平稳变化,仅对政府支出的永久性变化作出反应。
The best science is done with both the head and the heart.