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
공해병은 대기 오염으로 인해 발생할 수 있습니다.gonghaebyeongeun daegi ohaem-euro inhae balsaenghal su issseubnida.Pollution-related diseases can occur due to air pollution.