プログレッシブ和英中辞典(第4版)の解説
さがく【差額】
a difference；〔収支の〕a balance；〔売買の〕a margin
差額を支払う
pay the balance [difference]
５万円の差額
a difference of fifty thousand yen
少なくとも20パーセントの差額が見込めなければ再販のために中古品を買うことはしない
We don't buy used goods for resale unless we can make a margin of at least twenty percent on them.
差額関税
a differential tariff
差額ベッド
a hospital room (only) partially covered by a health insurance plan