Our usual walk was to or from the subway, which w

Question

Our usual walk was to or from the subway, which was how he got to work.
请详细分析一下to和from在此有什么用，十分感谢。

Answer 1

Our usual walk was to or from the subway, which was how he got to work.

句子意思：
我们通常的步行就是来往于地铁之间，这也是他去上班的方式。

to or from the subway
= to the subway or from the subway 去地铁处或从地铁处回来
可见，介词to，from 都表示动作/运动的方向。

祝你开心如意！

Answer 2

to和from在这里的意思是我们去地铁站和从地铁站回来的路
to and from就是来回的意思追问

但是这里是to or from, 请问一下怎样理解

Answer 3

to ：to subway 去地铁
from： from subway 从地铁开始走