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
중간적기관은 여러 기관 간의 협력을 촉진합니다.jungganjeokgigan-eun yeoreo gigan gan-ui hyeobryeog-eul chogjinhamnida.The interagency promotes cooperation among various agencies.