Metaphor is related to a psychic being from which it differs.
隐喻就是把某样事物与跟它不同的一种抽象的东西联系到一起去.
Metaphor 主语
is related to谓语动词词组,其中 to 是介词
a psychic being from which it differs.是介词to的宾语.
from which it differs 定语从句,修饰前面的a psychic being,其中from是前置了,本来是放在differ后面的,指不同于什么的.