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
영어는 국제 비즈니스에서 프랑크말로 사용됩니다.Yeongeoneun gukje bijeuniseueseo peurangkeumallo sayongdoemnida.English is used as a lingua franca in international business.