travelling ticket inspector

例句：

1. 1.The travelling ticket inspector was very strict with the passengers.
   旅行票检查员对乘客非常严格。
2. 2.The travelling ticket inspector had to check all the tickets before they could board the plane.
   旅行票检查员在乘客登机前必须检查所有的票证。
3. 3.The travelling ticket inspector made sure that everyone had a valid ticket before they left the airport.
   旅行票检查员确保每个人离开机场时都有有效的票证。