It is the system's responsibility to effect and manage the invocation of the service, not the calling application.

系统的责任是实现和管理服务的调用，而不是调用应用程序。

youdao

Sorry, the number you are calling is not in service, please check your number and redial it.

这句话意思是：对不起，您拨叫的用户不在服务区，请检查号码再拨。

youdao

Sorry, the number you are calling is not in service, please check your number and redial it.

这句话意思是：对不起，您拨叫的用户不在服务区，请检查号码再拨。

youdao