Much of the space inside (and there is not so much space) has been sacrificed to airy halls and lobbies and to the elegant structure of staircases.

Much of the space inside (and there is not so much space) has been sacrificed to airy halls and lobbies and to the elegant structure of staircases.

（房子）内部的大部分空间（这个空间也没有多大）都已经贡献给了通风的厅堂和优雅的楼梯架构。