on behalf的用法和樣例：
例句
- The legal guardian must act on behalf of the child.
法定監護人應該維護這個(gè)孩子的利益。 - I am appealing on behalf of the famine victims.
我代表饑民懇求援助。 - He agreed to testify on behalf of the accused man.
他同意為被告作證。 - She invested the money on behalf of her ward.
她代表受她監護的人投資。 - The agent spoke on behalf of his principal.
代理人代表他的委托人說(shuō)話(huà)。 - On behalf of my colleagues and myself I thank you.
我代表我的同事和我本人向你表示感謝。
