on one's behalf和On one's benefit 和on one's side区别是什么

问题描述:

on one's behalf和On one's benefit 和on one's side区别是什么

one one's behalf代表...
on one's side支持...,和...站在同一立场上
On one's benefit
英语中没有这样的表达,应该是
to one's benefit
对...有利