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我得经常同自己说,有些鸟儿是关不住的。它们的羽毛太鲜亮了。当它们飞走的时候,你心底里知道把它们关起来是一种罪恶,你会因此而振奋。不过,它们一走,你住的地方也就更加灰暗空虚。我觉得我真是怀念我的朋友。
The robustness of topological states against local perturbations is a testament to the power of topology in protecting quantum information.
Every challenge is an opportunity in disguise—if you're willing to see it.