deduction
柯林斯词典
1. N-COUNT A deduction is an amount that has been subtracted from a total. 扣除额
Most homeowners can get a federal income tax deduction on interest payments to a home equity loan. 在支付房屋净值贷款利息方面，大多数房主可以享受联邦所得税减免待遇。
2. N-COUNT A deduction is a conclusion that you have reached about something because of other things that you know to be true. 推演出来的结论
It was a pretty astute deduction. 那是个非常精明的结论。
3. N-UNCOUNT Deduction is the process of reaching a conclusion about something because of other things that you know to be true. 演绎; 推论
Miss Allan beamed at him. "You are clever to guess. I'm sure I don't know how you did it."—"Deduction," James said. 阿伦小姐对他笑道：“你很会猜， 我确实不知道你怎么办到的。”——杰姆斯说：“推论。”
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deduction /dɪˈdʌkʃən/ (deductions)
剑桥词典
deduction noun (THINKING)
[ 可数名词：有复数形式的名词 or 不可数或单数名词：没有复数形式的名词 ]the process of reaching a decision or answer by thinking about the known facts , or the decision that is reached
（根据已知的事实所作出的）推断，推论；推论所促成的决定
Through a process of deduction, the detectives discovered the identity of the killer . 经过一番仔细推断，警探们搞清了杀手的身份。
All we can do is make deductions from the available facts . 我们只能根据目前掌握的情况作出各种推论。
deduction noun (TAKING AWAY)
[ 可数名词：有复数形式的名词 or 不可数或单数名词：没有复数形式的名词 ]the calculation of taking an amount or a part of something away from a total or the amount that is taken away
减法；扣除
The interest I receive on my savings account is paid after the deduction of tax . 付给我的存款利息已经扣了税。
[ 可数名词：有复数形式的名词 ] US and Australian English (UK stoppage)
an amount that is taken away from the money you are paid before you officially receive it
扣除额；减免额
After deductions, his taxable income is $30,000. 除掉免税项目后，他的应税收入为3万美元。 返回 deduction