此后我们将建立模型，描述系统如何提供预订的总括信息，包括提供购买保护产品等等。
After this we would model how the system presents the summary information on the reservation, including offers to purchase protection products, etc.
同时，移动支付应用程序可以帮助企业保护自己免受预订取消却自动计费的影响。
At the same time, mobile payment apps can help entrepreneurs protect themselves from the repercussions of cancelations by automating billing on their cancelation policies.
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