音标：[di'dʌkʃәn]
n. 减除, 扣除, 减除额, 推论
【医】 演绎, 推论
【经】 减除数, 扣除额, 折扣额
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deduction的短语、例句：

deduction n ~ (from sth) 1 (a) [U] reasoning from general principles to a particular case; deducing 推演; 推理; 演绎
a philosopher skilled in deduction 擅长推理的哲学家. (b) [C] conclusion reached by reasoning （推理所得出的）结论
It´s an obvious deduction that she is guilty. 推断出的明显结论是她有罪. Cf 参看 induction 3. 2 (a) [U] deducting 扣除; 减除
the deduction of tax from earnings 从收入中扣除税金. (b) [C] amount deducted 扣除的量
deductions from pay for insurance and pension 自工资中扣出作保险金和退休金的数额.