at back of 与behind 的区别

Question

如题所述

Answer 1

at the back of在......（范围之内）的后面
behind在......（范围之外）的后面追答

比方， the swimming pool is behind the house.泳池在房子的后边。

AT THE BACK OF 在内部的后边（这个用法时不可以用behind替换）
比方，There is a little room at the back of the house. 房屋后部有个小房间

不采纳为满意答案吗？^O^