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
그의 얄팍한 지식은 문제를 해결하는 데 도움이 되지 않았다.geuui yalpakhan jisik-eun munje-reul haegyeolhaneun de dol-eumi doejianhaessda.His shallow knowledge did not help in solving the problem.