능력ability; capability; competence 가능possibility; potentiality 가능성possibility; chance; likelihood 고기능high function 기능function; role 능력자talented person 만능being well-rounded 무능incompetence 무능력incompetence 무능력자incompetent

청취율ratings 할인율discount rate 환율exchange rate 효율적being efficient; being effective 효율적efficient; effective 감소율reduction ratio 비율ratio; proportion 비효율적being inefficient 비효율적inefficient 사망률death rate