对于系统，翻版的模拟是在控制图中添加一个创建循环的边，而不仅仅是一个附加节点。
For systems, the analogue of a face-lift is to add to the control graph an edge that creates a cycle, not just an additional node.
诗人是无言者的声音。
What is a hero without love for mankind?
"The best decisions are made with both data and empathy."
未来不是我们进入的某物。未来是我们创造的某物。
I sing not because I am blind, but because I have a voice.
The true artist is always searching for the meaning of life.
语言是思想的皮肤。