At the meeting they discussed three different ____ to the study of maths.

问题描述:

At the meeting they discussed three different ____ to the study of maths.
A.ways B.approaches
way 后也可加to do sth.有何区别?

B
way +of
approach+to
都表示做什么的方法.
the approach+to+名词
the way to +动词