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。
The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.
"故事是生活的镜子，反映我们内心最深处的渴望和恐惧。"
自由民主的传播和世界经济的整合是现代时代最重要的两个趋势。
The city is a collective work of art.
野性之物是由人类历史塑造的。
I always try to buy stocks that are undervalued and sell them when they become overvalued.