enter duty free

例句：

1. 1. She entered the store with a shopping bag full of groceries.
   她带着装满杂货的购物袋进入了商店。
2. 2. The airlines offer special deals for passengers who enter duty-free.
   航空公司为持护照的旅客提供特别优惠。
3. 3. When she entered the room, she noticed that someone had left their coat on the bed.
   当她走进房间时，她注意到有人把外套留在了床上。