as proxy forpreppreposition: Relates noun or pronoun to another element of sentence--for example, "a picture of John," "She walked from my house to yours."
(on behalf of, in place of)
作为…的代表 zuò wéi de dài biǎo
替代 tì dài
代替 dài tì
I have power of attorney to cast my vote as proxy for Aunt Sadie at the shareholder's meeting.