The dairy industry must evolve to meet both consumer demands and environmental responsibilities.
释义：运气不好的时候，即使是黄金也会失去光泽；运气好的时候，连普通的铁也会发光。
不要轻易放弃，因为你永远不知道下一秒会发生什么。
The more you know, the more you realize you don't know.
No man really knows about other human beings. The best he can do is to suppose that they are like himself.