数学证明的优雅常常反映了它所描述的算法的效率。

These are my new shoes. They're good shoes. They won't make you rich like me, they won't make you rebound like me, they definitely won't make you handsome like me. They'll only make you have shoes like me. That's it.

法律规范的有效性不是基于其内容，而是基于颁布它的权威。

曾有人问过张柏芝，如果给你一个重返18岁的机会，你会怎么选择呢？