问题
改错题
Please remember to hand down your room key before leaving the hotel.
答案
hand down—hand back
hand down意思是：把…传递下来，遗留; 流传, 传；hand back意思是：归还。
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Please remember to hand down your room key before leaving the hotel.
hand down—hand back
hand down意思是：把…传递下来，遗留; 流传, 传；hand back意思是：归还。