municipal improvement certificate

例句：

1. 1.The municipal government has issued a new municipal improvement certificate to the city.
   市政府已经颁发了新的市政改进证书给这个城市。
2. 2.The new municipal improvement certificate will help improve the quality of life in the city.
   新的市政改进证书将有助于提高城市的生活品质。
3. 3. The municipal improvement certificate is required for all businesses operating in the city.
   所有在城市运营的企业都需要市政改进证书。