duty 税
taxation system 税制
taxation 征税,纳税
fiscal charges 财务税收
progressive taxation 累进税制
graduated tax 累进税
value added tax 增值税
income tax 所得税
land tax 地租,地价税
excise tax 特许权税
basis of assessment 估税标准
taxable income 须纳税的收入
fiscality 检查
tax-free 免税的
tax exemption 免税
taxpayer 纳税人
tax collector 收税员