The most important thing in computer graphics is to understand light and how it interacts with surfaces.
因此,国家并非自古以来就存在。曾经有一些社会没有国家,对国家或国家权力毫无概念。在一定的经济发展阶段,这必然与社会分裂成阶级有关,国家变成了一种必要性。
"The world is full of obvious things which nobody by any chance ever observes."
欧洲的统一是历史的必然。