a ticket that allows you to travel on any bus within a particular area for a fixed period of time 公交月票（凭此票可在特定时间内在某一地区乘坐任何公共汽车） a ticket that allows people from particular groups (for example, students or old people) to travel free or at a reduced cost 免费巴士票，乘车优惠票（为学生、老人等而设）