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拓扑绝缘体的美在于它们的鲁棒性;它们的表面态受到保护,不受无序和缺陷的影响。
I always try to find a way to win even when I'm not playing my best.
I have never been able to write a happy play. I can't. I can write a funny play, but I can't write a happy play.