—— 请按键盘 空白键 开始游戏 ——

不要试图让别人喜欢你;尝试让他们尊敬你。
如果你对我不好,我会写一首关于你的歌,而且不会是好话。
The beauty of topological insulators lies in their robustness; their surface states are protected by symmetry and topology, making them immune to certain types of disorder.