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

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

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