下した取どり

noun, noun or participle which takes 'suru', transitive verb

trade-in; part exchange

Used when an old item is accepted as partial payment for a new one. Common in retail, car sales, and electronics shops.

• 古ふるいスマホを下した取どりに出だして、新あたらしい機き種しゅを安やすく買かった。

  I traded in my old smartphone and bought a new model at a lower price.