Listen to a conversation between a student and a food service manager.
听一段学生和食品服务经理之间的对话。
This conversation might happen several times between the service consumer and the web service.
这样的对话可能在服务消费者与Web 服务单发生几次。
This conversation might happen several times between the service consumer and the web service.
这样的对话可能在服务消费者与Web 服务单发生几次。
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