[] () ( BRS) (NAmEˌbusiness reˈply mail [] ( BRM) ) a service that allows a company to supply cards or envelopes with its address on that people can use for replying without paying the postage (= the cost of a stamp). The company only pays for the ones that are sent back.商业回邮服务（公司将事先印好本身地址的信封、明信片寄给用户后，用户用这类信封、明信片回复，不必支付邮费，这公司只付收到的回函的邮费）