解释：药物之间有阴阳、子母、兄弟等配对关系，说明药物配伍的原理。

Everyone has a secret world inside of them. All of the people of the world, I mean. Everybody. No matter how dull and boring they are on the outside, inside them they’ve all got unimaginable, magnificent, wonderful, stupid, amazing worlds. Not just one world. Hundreds of them. Thousands maybe.

每一个剪辑都应该有一个目的，一个存在的理由。

在快速变化的科技行业中，创新是保持领先的关键。