urban ecosystem的用法和樣例：
例句
- This paper deals with interacton between the urban ecologic system and environment in Xuzhou City.
本文研究了徐州市城市生態系統與自然環境之間的相互作用。 - Planning begins with a Green Neighborhood Transect, leveraging urban and ecological services in the porch, yard, street, and open space.
此項目規劃源於綠色斷面，充分應用城市生態系統服務於門廊，庭院，街道，以及開放空間等。
