Human beings see the world in a new way every morning. The first time we open our eyes, the top layer of our vision sense receptors is simply scorched away.

• 人类每天早上均以新的方式观看世界。我们醒来首次睁开眼睛时,眼睛最上层的视觉细胞会被置换,换上新一层细胞。