The address to which a postal item is to be returned in case of non-delivery, or to which an answer or response is to be sent.
Mid 19th century; earliest use found in Christian Observer.
英语词典包含464360条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。