This is the 11647th most frequent Korean word.
남겨두기
"남겨두기" means "leaving something behind" or "keeping something aside."
남겨두기 in this sentence refers to the habit of keeping leftovers.
아침 식사 후 남겨두기 습관을 활용하면 식량을 절약할 수 있습니다.
If you use the habit of leaving leftovers after breakfast, you can save food.
남겨두기 here means the act of waiting for a reply to be left.
여러 시간 전에 메시지를 보내고 답장을 남겨두기만 기다렸어.
I sent a message hours ago and only waited for a reply to be left.
남겨두기 signifies leaving provisions or preparations for future use.