War is a tragedy, but sometimes necessary.
真正的創(chuàng)新來自于解決現(xiàn)實(shí)世界的問題。
He said that the world was made for men to fight in and that the worth of a thing was the worth of the fight for it.
循環(huán)經(jīng)濟(jì)為我們的行業(yè)提供了自我革新的巨大機(jī)遇。