書しょ類るい入いれ

noun

document case; letter tray

A container or tray for holding documents, letters, or papers, often used in offices.

• 机つくえの上うえに書しょ類るい入いれを置おいて、未み処しょ理りの書しょ類るいを入いれておく。

  I keep a document tray on my desk and put unprocessed papers in it.