Deductions are either standard or itemized. A standard deduction reduces taxable income by a fixed amount.

扣除分为标准扣除和分项扣除。标准扣除是从应税所得中减去一个固定数额。

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You should also understand when it makes sense to move away from the standard deduction and start itemizing your return.

你也应该知道什么时候可以不用标准的程序转而对你所获利润进行分类。

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The system applies the conception of continuously tracing and standard sub-tree, and uses both synthesis and deduction method of FT building.

本系统应用了逐级上溯和标准化子树的概念，综合应用演绎法和合成法进行建树推理。

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However, single filers retained the full personal exemption and standard deduction, unlike married filers.

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The increase in the standard deduction decreases your taxable income, meaning you pay less in taxes.

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If the standard deduction exceeds your itemized tally, you should obviously opt for the IRS's amount.

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