substituted service

例句：

1. 1. The new policy allows for substituted services to be provided by non-governmental organizations.
   新政策允许非政府组织提供替代服务。
2. 2.The company has implemented a system that substitutes substituted services with its own.
   该公司实施了一个系统，用其自身的服务代替替代服务。
3. 3.In the event of an emergency, the government will provide substituted services until a suitable alternative can be found.
   在紧急情况下，政府将提供替代服务，直到找到合适的替代品。