免税：duty-free或者tax-free
抵税：tax deductible或者tax credit
退税：drawback或者refund of duty
相关例句：
1、个人免税额的多少取决于年龄和婚姻状况。
The personal allowance depends on your age and marital status.
2、船上有录像厅、一个酒吧间和一家小型免税商店。
On the ship there are video lounges, a bar and a small duty-free shop.
3、全国有数千个这样的商店参加了这个向加拿大消费者宣传新抵税政策的活动。
Thousands of stores across Canada have already signed up to promote this innovative new tax credit to Canadian consumers.
4、在德国，直到1999年，对外国官员的贿赂还可以抵税。
In Germany, bribes to foreign officials were tax deductible until 1999.
5、直到去年，经济界的共识还是货币政策能快速平稳经济，而且比退税以及政府支出成本低。
Until last year, the economic consensus was that monetary policy could smooth the business cycle with greater speed and less waste than countercyclical taxes or spending.
扩展资料：
一、相关例词：
1、增值税：VAT value added tax
2、关税：custom duty
3、消费税：excise duty
4、关税：tariff
5、出口退税：export rebate
6、国内税务局：IRS
7、报复性关税：retaliatory tariff,
8、惩罚性关税：punitive tariff
9、保护关税：Protective tariff
10、反倾销税：Anti-dumping Duties
11、特惠税：Preferential Duty
二、相关例句：
1、他们降低了所得税。
They have brought down income taxes.
2、来自销售税的收入下降了。
Income from sales tax went down.
3、我们已经建立了人们纳税详情、抵押贷款以及人头税的档案。
We already have files on people's tax details, mortgages and poll tax.