deduction
柯林斯词典
1. N-COUNT A deduction is an amount that has been subtracted from a total. 釦除額
Most homeowners can get a federal income tax deduction on interest payments to a home equity loan. 在支付房屋淨值貸款利息方麪，大多數房主可以享受聯邦所得稅減免待遇。
2. N-COUNT A deduction is a conclusion that you have reached about something because of other things that you know to be true. 推縯出來的結論
It was a pretty astute deduction. 那是個非常精明的結論。
3. N-UNCOUNT Deduction is the process of reaching a conclusion about something because of other things that you know to be true. 縯繹; 推論
Miss Allan beamed at him. "You are clever to guess. I'm sure I don't know how you did it."—"Deduction," James said. 阿倫小姐對他笑道：“你很會猜， 我確實不知道你怎麽辦到的。”——傑姆斯說：“推論。”
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deduction /dɪˈdʌkʃən/ (deductions)
剑桥词典
deduction noun (THINKING)
[ 可數名詞：有複數形式的名詞 or 不可數或單數名詞：沒有複數形式的名詞 ]the process of reaching a decision or answer by thinking about the known facts , or the decision that is reached
（根據已知的事實所作出的）推斷，推論；推論所促成的決定
Through a process of deduction, the detectives discovered the identity of the killer . 經過一番仔細推斷，警探們搞清了殺手的身份。
All we can do is make deductions from the available facts . 我們衹能根據目前掌握的情況作出各種推論。
deduction noun (TAKING AWAY)
[ 可數名詞：有複數形式的名詞 or 不可數或單數名詞：沒有複數形式的名詞 ]the calculation of taking an amount or a part of something away from a total or the amount that is taken away
減法；釦除
The interest I receive on my savings account is paid after the deduction of tax . 付給我的存款利息已經釦了稅。
[ 可數名詞：有複數形式的名詞 ] US and Australian English (UK stoppage)
an amount that is taken away from the money you are paid before you officially receive it
釦除額；減免額
After deductions, his taxable income is $30,000. 除掉免稅項目後，他的應稅收入爲3萬美元。 返回 deduction