A one- man operation that still believes that you can tell a lot about a person by the way they wear their hat.
一个人的操作仍然相信你可以通过他们戴帽子的方式来了解一个人。
One man operation
原声例句
CNN 10 学生英语 2017年10月合集
英语百科
One-man operation
![A freight train driver on a one-manned DB Schenker Rail train in Sweden](/Images/godic/202501/31/Railion_EG_31122420.jpg")
![A platform mirror for driver-only operation at Vykhino station, Moscow Metro in Russia](/Images/godic/202501/31/Station_mirror2420.jpg")
![A Birney streetcar, one of the first public transport vehicles designed specifically for one-man operation](/Images/godic/202501/31/Birney_streetcar2420.jpg")
![A Danish train driver on a S-train looking out of the side window to make sure all the doors are safely closed for departure](/Images/godic/202501/31/S-Train_on_Nørreport_platform2420.jpg")
One-man operation (OMO), also known as driver-only operation (DOO), one person operation (OPO), single person train operation (SPTO), or one-person train operation (OPTO), is operation of a train, bus, or tram by the driver or motorman alone, without a conductor.