拓扑绝缘体的美在于它们的鲁棒性;它们的表面态受到对称性和拓扑的保护,使它们对某些类型的无序免疫。
解释:向外物游览就要要求外物的完备,向自己内心求取,则能充实完善自身。
Talent is cheaper than table salt. What separates the talented individual from the successful one is a lot of hard work.