실례rudeness; impoliteness 실수mistake; blunder 실패failure 분실loss 분실물lost article 실망disappointment 실망감feeling of disappointment 실신swoon; fainting; blackout 실업unemployment; loss of a job 실종disappearance; missing

사업business 수업class; lesson; course 졸업graduation 종업원employee; staff 취업getting a job 휴업being closed temporarily 가업family business 개업의private practice physician 공공사업public project 공기업public enterprise

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