early 15c., from Latin deductus, past participle of deducere "lead down, bring away;" see deduce, with which it formerly was interchangeable. Technically, deduct refers to taking away portions or amounts; subtract to taking away numbers. Related: Deducted; deducting.
例文
1. If you will just sign here，we will arrange for your bank to deduct your payments automatically.
お手数ですがここにサインしてください。銀行に連絡して自動的にお支払いを差し引きます。
2.In special cases，a husband can deduct the travel expenses of his wife who accompanies him on a business trip.
特別な場合、夫は出張に同行した妻の旅費を控除することができる。
3.It is not the bank 's policy to deduct interest on withdrawals.
引き出しには利息を控除する必要があります。これは当銀行の政策ではありません。
4.You can deduct the twenty-five cents out of my allowance.
私の小遣いから2角5銭を差し引くことができます。
5.Mr.Cao had the rickshaw repaired and didn 't deduct the cost from Xiangzi 's wages.