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 색견이 뛰어나서 모든 색을 쉽게 구분할 수 있다.geuneun saekgyeoni ttwieonaseo modeun saekeul swibge gubunhal su itda.He has excellent color vision and can easily distinguish all colors.