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
그는 매우 똑똑하다. 즉, 모든 문제를 쉽게 해결할 수 있다.geuneun maeu ttokttokhada. jeuk, modeun munjeleul swibge haegyeolhal su itda.He is very smart. That is, he can solve all problems easily.