The meaning of a word is its use in the language.
一个词的意义在于它在语言中的使用。
Loneliness is the price we pay for self-awareness.
为别人浪费的一天并不是为自己浪费的一天。
The best way to find yourself is to lose yourself in the service of others.
The arithmetic of modular forms is a key to understanding the deeper structures of number theory.