第1个回答 2007-06-20
To act or speak on behalf of someone or on someone's behalf is to do so as their representative. On behalf of should not be confused with on the part of: a speech on behalf of the Chairman is made by someone else, expressing the Chairman's thoughts: a speech on the part of the Chairman is one he makes himself.
In American English behalf is also used with in, to mean 'in someone's interest', 'for someone's benefit': Several people argued in his behalf.
on behalf of 和on sb's behalf是一个意思。都是代表某人。
另外on the part of 和on behalf of 是不同的。本回答被提问者采纳