jungnyeoncheung
middle-aged group
groupe d'âge moyen ; catégorie d'âge moyen ; tranche d'âge moyen
중년층은 사회의 중요한 구성원입니다.
jungnyeoncheung-eun sahoe-ui jungyohan guseongwon-imnida.
The middle-aged group is an important part of society.
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