residential sanitation

例句：

1. 1. The city government is working hardto improve the quality of residential sanitation.
   市政府正在努力提高住宅卫生的质量。
2. 2.Residents are encouraged to participate incommunity clean-up activities to enhance theirresidential sanitation awareness.
   鼓励居民参与社区清洁活动，以提高他们的住宅卫生意识。
3. 3. The new residential sanitation regulationshave been implemented in the district, andresidents are now required to follow them.
   新的住宅卫生规定已在该区实施，现在居民需要遵守这些规定。