at the front of \in the front of 什么区别?

问题描述:

at the front of \in the front of 什么区别?

都是在前部,内部,
如在房子的窗前,向外看.人在内.
但个人感觉,
at the front of与
in the front of
也有差别.
in 强调立体空间.
at 强调平面空间.