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.
我一直相信，如果你陷入困境，也许事情进展不顺利，你会变得更强大。生活中的一切都是这样。
I have to be alone very often. I’d be quite happy if I spent from Saturday night until Monday morning alone in my apartment. That’s how I refuel.
战争不决定谁对了，只决定谁留下了。
Stay hungry, stay foolish.
天空才是极限。
La verdadera poesía es aquella que nace del dolor y de la alegría.
煤炭行业要坚定不移地走安全高效、清洁低碳的发展道路。
Man's survival, from the time of Adam and Eve until the invention of agriculture, must have been precarious because of his inability to ensure his food supply.