网站上说：Ticket for a single trip
The best way for a spontaneous journey by public transport
Valid on all public transport services in one zone of the VOR (transportation association of Eastern Austria; for the core zone Vienna 100 and zones included in the VOR)
Valid for one trip in one direction
The ticket holder can change lines (as often as they like)
在
穷游上也说用于单程(一个方向),可以换乘,没有具体时长限制，这样和24小时天票有啥区别啊
也不能从A到B又回到A吧
Valid for one trip in one direction
反正我是这么理解的