milepost
/ˈmaɪlpəʊst/noun
1- chiefly N. Amer. & Austral. a marker set up to indicate how distant a particular place is〈主北美, 澳〉里程标。
1.1
- a post one mile from the finishing post of a race（竞赛）距终点一英里的标杆。
1.2
- figurative an action or event marking a significant change or stage in development〈喻〉里程标式行动（或事件）, 里程标：
three members of the team have all recently passed mileposts in their careers.
该队三名队员近期都已越过职业生涯的里程标。