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
양자택일론은 두 가지 선택지 중 하나를 선택해야 한다는 개념입니다.yangjatekilron-eun du gaji seontaeji jung hanareul seontaehaeya handaneun gaenyeom-ibnida.Dichotomy is the concept that one must choose one of two options.