tax free

基本解释

Many schools offer work/study programs that pay students tax free.
许多学校提供给学生免税的半工读计划（Work/Study Programs）。
Critics have accused FIFA of reaping most of the profits, including all the broadcasting and marketing rights—tax free.
评论家们指责国际足联获取了大部分利润，包括了所有的宣传和市场推广权利，这些还都是免税的。
While the first $85, 700 are tax free, you have the added burden of paying taxes on any benefit received, including housing allowances, moving expenses and kids' schooling.
虽然前面的85,700美元是免税收入，但你还有额外的负担，要为所有福利津贴交税，例如住房津贴、搬家费、子女的学费补贴等。

That way they could seek tax-free donations.
Another way of putting it, the government is effectively saying that unaccredited investors are free to invest in corporations that invest in real estate and they're subject to the corporate profits tax.
换句话说,实际上政府允许,非可信投资者自由投资,那些投资房地产的公司,只是他们必须上缴公司所得税
耶鲁公开课 - 金融市场课程节选
So is cigarette smuggling. Smugglers stock up on cigarettes in low-tax states or buy them tax-free on Indian reservations.

The airline is touting the tax free flights as a holiday with the tagline: Evade Taxes.
FORBES: Congress Offers Tax Free Flights... For Now