プログレッシブ和英中辞典(第4版)の解説
よぶん【余分】
❶〔余った分〕(a) surplus; (an) excess; an extra amount
教科書の余分が１冊あります
Here is an extra copy of the textbook.
100万トンの米の余分が出た
There was a surplus of one million tons of rice.
❷〔余計〕
もし余分の金があったら，その帽子を買ったのに
If I had had any 「money to spare [extra money], I would have bought that hat.
少し余分に金を払う
pay a little extra
余分な金は持ち歩かないことにしています
I make it a rule not to carry more money than I need with me.
彼は余分な服を１着旅行に持って行った
He took 「a spare [an extra] suit (of clothes) with him on his trip.