pre - tax deduction的用法和样例：
例句
- Taxation authorities may check the authenticity of whether pre-income-tax deduction of property loss has been approved.
税务机关可对经批准税前扣除的财产损失的真实性进行检查。 - The Treasury proposes limiting the deductibility of expenses firms incur in America to support foreign operations that have paid no American tax.
财政部提议限制费用扣减，这些费用是美国的企业为了支持其海外机构的运营而支出的，这些费用会在税前扣除。
