The worst thing in the world that can happen to you if you're an engineer that has given your life to something is for someone to rip it off and put their name on it.
挑战在于在建筑环境与自然世界之间创造和谐。
The past is never dead. It's not even past.
我唯一知道的是我一无所知。
系统的稳定性取决于开环传递函数在复平面上的行为。