homework3
2014-04-15 22:43:39 1 举报
homework3
作者其他创作
大纲/内容
airline companies
airline company
choose one combination
rent the cars
book the room
hotels
airline ticket
customers
car rental companies
2011302580356软工六班石琳珊
rent car
obtain detail information
buy travel package
travel agency
car rented company
buy airline tickets
provide information to an order
custumer
hotel
inquire
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