別べつ便びん

noun

separate mail; separate post; under separate cover

Refers to sending something in a separate mailing or delivery, not together with other items. Common in business and formal correspondence.

• 資し料りょうは別べつ便びんでお送おくりします。

  We will send the documents under separate cover.

• 請せい求きゅう書しょは商しょう品ひんとは別べつ便びんで届とどきます。

  The invoice will arrive separately from the product.