请将下列句子翻译为汉语。 1. Hello sir, how do you like to buy some duty-free goods? We have fine selections on board. 2. If you would like to buy some duty-free goods, just read the brochure in the seat pocket. 3. All the items sold are marked prices. 4. I am sorry this item is currently sold out. 5. We can only carry a limited stock of each item and this one is very popular today. 6. Can you give me a discount?