감소reduction 감소율reduction ratio 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

투자investment 민속자료folklore material; folklore data 자격capacity; character 자격증license; certificate 자료material; data; reference 자본capital; fund 자원resource; material 출자investment; contribution 투자가investor 투자금investment amount