The tolerance between races is of vital improtance for world peace.

问题描述:

The tolerance between races is of vital improtance for world peace.
这句话的结构看不懂
is 后面为什么接的of +adj +n?

of vital improtance =important
of +adj +n为固定的语法结构,相当于后面所接名词的相应形容词