a return of a service的用法和样例：
- She had a return of the heart attacks.
- What else has been happening?Any sign of a return of Sosai Z?
什麽已经别的发生? 任何 Sosai Z 的回返符号?
- It is characterized by a return of peristalsis.
- There was a return of fever that year.
- There is no one answer to the scope of a service.