文章针对地铁旅客信息服务系统实际情况，提出不同系统方案，并进行了优缺点比较。

According to the real conditions of passenger information service system of metros, different schemes with advantages and disadvantages compared are given in the paper.

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在希斯罗机场，迷惑的旅客围着他们的行李绕圈子，很多人在客户信息服务台前排队试图重新安排航班。

At Heathrow, confused passengers milled around with their luggage, many queuing at customer information desks in a bid to rearrange flights.

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67%的旅行者和77%的商务常旅客已经在利用他们的手机寻找本地服务(如住宿)和景点信息(PhoCusWright数据)。

Sixty-seven percent of travelers and 77% of frequent business travelers have already used their devices to find local services (e.g. lodging) and attractions (PhoCusWright).

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