1. 餐具   flight attendant   lunch   dinner service   family   Hint Half-n-half Clue   2. 膳食   money exchange   excess   meal   cabin   Half-n-half Clue   3. 管家   steward   passenger car   customs officer   currency   Half-n-half Clue   4. 快餐   snack   window   non-vegetarian   pilot   Half-n-half Clue   5. 出口结关   meal   luggage van   customs clearance   non-vegetarian   Half-n-half Clue   6. 素食主义者   steward   pastry shop   pilot   vegetarian   Half-n-half Clue   7. 数字   vegetarian   cuisine   number   shop   Half-n-half Clue