She was my most special friend. My only friend.

The key to solving complex problems is to break them down into manageable pieces.

写作的行为是一种爱与抵抗的行为。

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.

Every story has a purpose, and every voice deserves to be heard.

科学家之间的合作是解决复杂问题的关键。