The best scientists are those who remain students forever.

我曾梦到往日的一个梦。

写作是保存记忆的一种方式。

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。

You don't learn to walk by following rules. You learn by doing, and by falling over.

可持续性不仅仅是一个流行词，更是我们对后代的责任。