1. 数字   number   lunch   ticket machine   vegetarian   Hint Half-n-half Clue   2. 出租汽车   breakfast   book stand   car rental   credit card   Half-n-half Clue   3. 售票处   ticket office   newspaper   vegetarian   luggage trolley   Half-n-half Clue   4. 枕头   non-vegetarian   pillow   number   telephone   Half-n-half Clue   5. 自助食堂   blanket   luggage trolley   dinner   cafeteria   Half-n-half Clue   6. 素食主义者   dinner   pharmacy, chemist   vegetarian   breakfast   Half-n-half Clue   7. 早餐   credit card   breakfast   newspaper vendor   meal   Half-n-half Clue