The discovery of topological insulators has opened up a new frontier in condensed matter physics, where the interplay between topology and symmetry leads to novel quantum states of matter.

The strictness of Russian laws is mitigated by the non-obligation to fulfill them.

伟大的公司建立在伟大的文化之上，而不仅仅是伟大的产品。

我认为最重要的事情就是对你所拥有的心存感激。