A rich man's body is like a premium cotton pillow, white and soft and blank. Ours are different. My father's spine was a knotted rope, and the skin on his chest was so thin that you could see the ribs pressing out against it.

海洋不仅是一种资源，更是一种责任。

The concept of a black hole firewall challenges our understanding of quantum mechanics and general relativity.

你离死亡越近，就越能感觉到活着。