什么叫独立学校的lifer？

来源: 于 2021-02-21 04:06:42 [旧帖] [给我悄悄话] 本文已被阅读：次
 
— 1 : a person sentenced to imprisonment for life. 2 : a person who makes a career of one of the armed forces. 3 : a person who has made a lifelong commitment (as to a way of life)
 
查了下字典，显然是第3种，怎么理解中小学生和致力一生的生活方式的关系？