天籁，风吹万窍声音不同，都是自由自在地发声或停止，毋需外力的支配。
Once you understand how to write a program get someone else to write it.
Prove yourself with effort, not words.
The novel is a protest against the irreversibility of time.
企业的韧性来自于能源来源和战略的多样化。