在院子里新安了一座楼梯和一个升降电梯，方便直达旧楼。旧楼梯则被拆除以空出楼层空间。

A new staircase and an elevator have been introduced in the courtyard to create a direct access to the old houses and the old staircases were demolished in order to gain floor area.

youdao

在院子里新安了一座楼梯和一个升降电梯，方便直达旧楼。旧楼梯则被拆除以空出楼层空间。

A new staircase and an elevator have been introduced in the courtyard to create a direct access to the old houses and the old staircases were demolished in order to gain floor area.

youdao