1. 行李架   vegetarian   reclaim   luggage rack   breakfast   Hint Half-n-half Clue   2. 海关官员   money   money exchange   restaurant   customs officer   Half-n-half Clue   3. 兑换处   restaurant   elevator   money exchange   vegetarian   Half-n-half Clue   4. 午餐   money   lunch   snack   vegetarian   Half-n-half Clue   5. 自动扶梯   restaurant   number   escalator   cabin   Half-n-half Clue   6. 开垦   customs clearance   reclaim   cuisine   flight attendant   Half-n-half Clue   7. 客舱   lunch   cabin   snack   dinner   Half-n-half Clue