in the doorway 和at the entrance 有什么区别

in the doorway 和at the entrance 有什么区别 at the doorway和in the doorway的区别 at the entrance of at the entrance to区别何在? at the library和in the library有什么区别? at the end和in the end 有什么区别 in the square和at the square 有什么区别? at the beginning 和in the beginning 有什么区别 at the zoo和in the zoo有什么区别 in the moment和at the moment有什么区别? at the gate和in the gate有什么区别 in school/in the school和at school/at the school有什么区别? at morning和 in THE morning 有什么区别