mail transit

• 邮运

mail transit的用法和样例：

例句

1. He had lessoned from Spitz, and from the chief fighting dogs of the police and mail, and knew there was no middle course.
   他从斯帕斯，从警察局和邮运队的主要战斗狗那里得到了教训，明白要么支配，要么被支配，没折中方式可言，施舍仁慈会被误解为怯懦，从而直接导致死亡。