料りょう金きん後こう納のう郵ゆう便びん

noun

postage deferred payment mail

A postal service where the sender does not affix stamps; postage is settled later, often used by businesses for bulk mailings.

• 料りょう金きん後こう納のう郵ゆう便びんを利り用ようすると、切きっ手てを貼はる手て間まが省はぶけます。

  Using postage deferred payment mail saves the trouble of affixing stamps.