Metaphor - The heart of holistic learning is relating things together. Metaphors are literary devices that link two things that normally don’t go together. Come up with metaphors to describe more complicated ideas in simpler terms.
将事物采用比喻的方法记住——系统化学习的核心是将所有的知识关联起来,比喻是文学修辞的一种方法,它将两个平时没有关系的事物结合在了一起,这就能将负责的问题简单化了。