duty-free

adj.

免税的，无税的；

adv.

免税地；

duty-free shop免税商店

1. I thought this camera by duty free.
   我认为这台相机应该是免税的。
2. Perfume is not exempt from import duty.
   香水是不免税的。

An economic analysis of the duty-free zone
The Law of One Price in Scandinavian Duty-Free Stores
On the welfare effects of a ‘duty-free zone’
Unemployment and the formation of duty-free zones
On the welfare effects of a ‘duty-free zone’
The gains from duty free zones
A note on the economics of the duty free zone
Heavy duty freewheel hub for bicycles
Lessons of the 1999 Abolition of Intra-EU Duty Free Sales for Eastern European EU Candidates
Duty-free zone, unemployment, and welfare a note