- 问题详情:MetroPocketGuideMetrorail(地铁)Eachpassengerneedsafarecardtoenterandgoout.Uptotwochildrenunderagofivemaytravelfreewithapayingcustomer.Farecardmachineareineverystation,Bringsmallbillsbecausetherearenochangemachinesinthestationandfarecardmachin...
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