動詞の使い方｜deduct

「～を差し引く、～を控除する」

deduct 10% from the price「1割値を引く」

deduct a sum for expenses「諸費用として一定の額を差し引く」

deduct taxes from one's salary「給料から税金を差し引く」

tax deducted at source「源泉徴収税」

Income taxes are deducted as wages are paid.
所得課税は源泉徴収だ。