当年的年轻人已变成了花下之尘。

I always try to transform my weaknesses into strengths.

The beauty of topological insulators lies in their robustness; their surface states are protected against disorder and imperfections.

Every great novel is a journey into the unknown, both for the writer and the reader.

The value of an economic model lies in its ability to explain and predict.

创新不仅仅是技术的问题，更是改变人们思维和工作方式的问题。