—— 请按键盘 空白键 开始游戏 ——

The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.
将决策交给那些对决策错误并不承担任何代价的人——很难想象出一个比这样做更加愚蠢和危险的做法了。
成功的唯一限制是你自己的想象力。