收费站系统期望达到的目标是各个车道子系统在同一时间对不同的车辆并行地提供服务，而对同一辆车提供服务时各个子系统间进行相互协调，选择其中的一个子系统提供服务。
The system is expected to serve different automobiles by different lane subsystem at the same time and select one subsystem for one auto when two neighboring subsystem both want to provide service.
这家超大型连锁加油站有各种名牌食品、洁净的卫生间、友好的服务并且结帐迅速。
The hypermarket stations had a wide selection of branded foods, clean toilets, friendly service and fast checkouts.
当然，还有卫生间的钥匙、健怡可乐、汽油，这些都是加油站提供的主要服务。
This, plus keys to the bathroom, Diet Coke, and gas were the key deliverables.
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