iyongcheung
user layer
couche d'utilisateur ; niveau d'utilisateur ; segment d'utilisateur
이 서비스의 이용층은 주로 젊은 사람들입니다.
I seobiseuui iyongcheung-eun juro jeolmeun saramdeul-imnida.
The user layer of this service is mainly young people.
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