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
대외수는 기업의 성과에 큰 영향을 미친다.daeoesuneun gieob-ui seonggwa-e keun yeonghyang-eul michinda.External factors have a significant impact on a company's performance.