这儿用forhisownbenefit的地方能换用onhisown么,为什么Aprivatecollectorisamanwhocollectsforhisownbenefit.

Question

这儿用for his own benefit的地方能换用on his own么,为什么
A private collector is a man who collects for his own benefit.

Answer 1

on his own 讲的是独自独立
for his own benefit 讲的是只顾个人利益 有点自私的意思