urban building code

例句：

1. 1.The city's urban building code requires all buildings to be energy-efficient.
   城市的建筑规范要求所有建筑都应是节能的。
2. 2.The new urban building code will require developers to pay more for environmentally friendly materials.
   新的城市建筑规范将要求开发商为环保材料支付更多费用。
3. 3. The city government is working on updating the urban building code to address this issue.
   市政府正在努力更新城市建筑规范，以解决这个问题。