Until recently, it has been all but impossible in Paris to pre-book reasonably priced, fixed-fare trips.
直至最近，人们在巴黎都几乎不可能预订到价格合理，票价固定的车辆服务。
Until recently, it has been all but impossible in Paris to pre-book reasonably priced, fixed-fare trips.
直到最近，巴黎也几乎无法预定到价格合理，收费定额的出租车。
The optimial fare structure for public transport networks with elastic demand is discussed with the assumption of fixed transit service frequency.
对具有弹性需求的城市公交网络系统票价的合理设定问题进行了研究分析。
The optimial fare structure for public transport networks with elastic demand is discussed with the assumption of fixed transit service frequency.
对具有弹性需求的城市公交网络系统票价的合理设定问题进行了研究分析。
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