감소reduction 감점point deduction 급감rapid decrease; sharp fall; nosedive 증감fluctuation 탕감cut; reduction; curtailment; slashing 가감addition and subtraction; adjustment 가감승제addition, subtraction, multiplication and division 감량weight reduction; weight loss 감면reduction; exemption 감봉pay cut

청소년teenager 최소the least; the fewest; minimum 감소reduction 다소more or less 다소somewhat 소녀girl 소년boy 소년기adolescence 소수minority 청소년기adolescent period; adolescence

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