All customers travelling on TransLink services must be in possession of a valid ticket before boarding.

所有使用联运服务的乘客在登机前必须持有有效机票。

youdao

Article 294 The passenger shall hold a valid ticket while getting on board for travel.

第二百九十四条旅客应当持有效客票乘运。

youdao

Consumers must hold of valid ticket, no vice ticket is unacceptable. And each ticket only for one person.

消费者必须持有效票进场；每券一人，无副券作废。

youdao

The machine is out of order, so he carefully writes in the date by hand, gets on board, and is fined by the conductor for not having a valid ticket.

BBC: Swiss love affair with rail turns sour

If you do not produce a valid ticket when asked, "you could be refused travel entirely or asked to leave a train or station before you have completed your journey, " it adds.

BBC: George Osborne

In vain do I point to the broken ticket machine and my paid-for ticket, valid only on that day, for that journey?

BBC: Swiss love affair with rail turns sour