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没有情感,就不会有黑暗向光明、冷漠向活力的转变。
The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.
如果你不能嘲笑自己,你就错过了最好的笑话。
We are all migrants through time.
知足的人不因利禄累害自己。