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.
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。
One way of looking at speech is to say that it is a constant stratagem to cover nakedness.
Dreams are not the exclusive right of the young, but the common language of all who strive for progress.
I don’t wait for opportunities, I create them.