And it's the abstract property of life.

这就是生命的抽象性。

youdao

Abstract: the property operation stage is an important stage in the whole life of buildings.

摘要：物业运营阶段是建筑物全生命周期的主要阶段，也是耗能重点阶段。

youdao

Abstract: the property operation stage is an important stage in the whole life of buildings.

摘要：物业运营阶段是建筑物全生命周期的主要阶段，也是耗能重点阶段。

youdao