commute/kəˈmjuːt/
vt., vi.-muted, -muting1. 减刑The governor commuted the prisoner's sentence of death to one of life imprisonment.州长将这囚犯的死刑减为无期徒刑。
2. 交换；折算3. 每天（乘火车）往返上班；定期往返于两地间Miners commute between the mines and their housing estates on weekdays.矿工们在工作日每天乘火车上下班来往于矿区和住宅区之间。
She, as a consultant, commutes from Cambridge to London every day.她作为顾问每天乘火车上下班来往于剑桥和伦敦之间。