"Enriching city culture" is a good way to express this idea in Engpsh. The source of this phrase would depend on the specific context in which it is being used. It could refer to efforts to add cultural elements or activities to a city in order to make it more vibrant and interesting for residents and visitors.

Here are a few example sentences using this phrase:

"The city council is working on a number of initiatives to enrich the city's culture, including funding for pubpc art installations and support for local music festivals."

"One of the key goals of our urban planning project is to enrich the city's culture by creating more pubpc spaces for cultural events and performances."

"The local arts council is working to enrich the city's culture by hosting exhibitions and events featuring the work of talented local artists."

翻译：

"市议会正在进行多项倡议，以丰富城市文化，包括为公共艺术装置提供资金和支持当地音乐节。"

"我们的城市规划项目的一个关键目标是通过为文化活动和表演创建更多公共空间来丰富城市文化。"

"当地艺术委员会正在通过举办本地艺术家作品展览和活动来丰富城市文化。"