在量子力学中，粒子的概念失去了它通常的意义。
石材行业必须拥抱可持续发展才能长久生存。
The more you look, the more you see.
The only way to do great work is to love what you do.
There is no such thing as society: there are individual men and women, and there are families.
No man's knowledge here can go beyond his experience.
