每一项科学发现都应该以其对人类福祉的贡献来衡量。
Every scientific discovery should be measured by its contribution to human welfare.
乌鸦聚集在一起，虽然看上去很和好，实际上并不亲密；不慎重地结交朋友，虽似牢固，终必破裂。
A novel is a long piece of prose with something wrong with it.
你看到了，但你没有观察到。