1. 行李暂存箱   aisle seat   one-way ticket   luggage locker   baggage reclaim, baggage collection   Hint Half-n-half Clue   2. 航班号   visa   cabin luggage   flight number   gate   Half-n-half Clue   3. 外币，外汇   confirmation   allowance   foreign currency, foreign exchange   airfare   Half-n-half Clue   4. 靠走道的位子   ticket   passport   foreign currency, foreign exchange   aisle seat   Half-n-half Clue   5. 风俗   terminal   customs   bank   foreign currency, foreign exchange   Half-n-half Clue   6. 洗手间   cabin luggage   telephone   terminal   toilet   Half-n-half Clue   7. 行李台车   toilet   luggage trolley   flight number   cancellation   Half-n-half Clue