[] used to describe sth such as an envelope on which the company has already paid the cost of sending it by post邮资已付的◆Please use the postage-paid envelope enclosed to return the form to us.请用随函附上的已付邮资的信封将表格寄回给我们。◆a postage-paid questionnaire/label已付邮资的问卷／签条➡business reply service , reply paid