The existing valuable components that FFWD wanted to restore form the upper shell of the space: walls and roof.

FFWD想去恢复现有的有价值的部分，形成空间的上筒体：墙壁和屋顶。

youdao

The existing valuable components that FFWD wanted to restore form the upper shell of the space: walls and roof.

FFWD想去恢复现有的有价值的部分，形成空间的上筒体：墙壁和屋顶。

youdao