运河管理员现在充当交通管理员的角色，指挥较小的船穿过水闸。
Canal administrators are now playing the role of traffic controllers by directing smaller vessels passing through the locks.
例如，这些信息可以帮助揭示一个空中交通管理员的精神状态。
Such information can help reveal the mental state of an air-traffic controller, for example.
在阿拉巴马州的伯明翰，交通管理员在表格中输入七个“X”以向那些无牌照的不明车辆开出罚单。
Traffic wardens in Birmingham, Alabama, enter seven letter Xs onto their forms when they issue tickets to cars without plates.
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