Black Friday: lifetime access is on a special offer in the app, until November 30. Black Friday: special offer on lifetime access, until November 30. Download
이용후생을 고려하여 정책을 수립해야 합니다.iyonghusaengeul goryeohayeo jeongchaeg-eul suliphaeya hamnida.Policies should be established considering utilization and welfare.