Bags of all visitors to the museum are searched as a matter of routine.所有参观者的包在进博物馆之前都要进行例行检查。He checked up on you as a matter of routine.他按照惯例会监督你。Jack had attended these meetings as a matter of routine for years.数年来，杰克把参加这些会议当成是例行公事。We keep a copy of all correspondence as a matter of routine. 我们按照惯例保留所有函件的副本。