The concept of a particle is only approximate and has meaning only in the limit of small momenta.
粒子的概念只是近似的，并且只有在动量较小的极限下才有意义。
Banks should penetrate into the capillaries of the economy like water.
The personal is not private; it is political.
The meaning of art is not fixed; it evolves with the viewer.
In the end, we are all in the business of storytelling.
法律是主要规则和次要规则的结合。