形容人心难以捉摸,民众的行为像烟一样飘忽不定。
最好的安全协议是一种每个工人都互相照顾的文化。
The editor's job is to serve the story, not the ego.
The future of forestry is circular, not linear.
The most advanced technology is worthless if it doesn't serve the farmer's needs.
释义:天之险在于高不可升,地之险在于山川丘陵。王公设险以保卫国家,险的功用非常大。