postpaid

形容词 postpaid:

1. used especially of mail; paid in advance
   同义词：prepaid

post.paid

adj.Abbr. p.p.,P.P.,ppd.（形容词）缩写 p.p.,P.P.,ppd.
With the postage having been paid in advance.
邮资已付的：邮资提前支付的