动词代言可以用单词represent,也可以用短语in name of;on behalf of来表示eg:Mr.Li gave us a heart-stirring speech on behalf of/in the name of the committee.代言人也可以用多个单词来表达,常用的有1、deputya deputy to National People's Congress(中国)人民代表大会代表2、prolocutor(专指会议上代表团体的发言人)3、mouthpiece非正式用语,
翻译如下:广告代言人Spokesperson Segment 例句:The Study on the Effect That Life Style, Spokesperson Segment andInvolvement with Product Exert on Advertising Effectiveness 生活形态、广告代言人和产品涉入对广告效果的影响研究