To understand chemistry at its most fundamental level, we must look at the dance of electrons in molecules.
All interest in disease and death is only another expression of interest in life.
使自己成为一个对象,使自己被动,与成为一个被动的对象是非常不同的。
La verdadera madurez comienza cuando aceptamos que nunca terminamos de crecer.
最优财政政策的设计应旨在减轻时间不一致性和政治经济周期引起的扭曲。