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。
I do not wish them [women] to have power over men; but over themselves.
To write is to breathe, to live, to exist.
The most radical art is often the most subtle.
I'm trying my hardest, but I can't have everything. I can't have the looks, the rapping ability, the scoring, and the free throws.
能源的未来是多样化的，没有任何单一来源会占主导地位。