효과效果 effect; efficacy 효과적效果的 being effective; being effectual 효과적效果的 effective; effectual 효율적效率的 being efficient; being effective 효율적效率的 efficient; effective 비효율적非效率的 being inefficient 비효율적非效率的 inefficient 특효特效 special efficacy 특효약特效藥 miracle cure; wonder drug 효과음效果音 sound effect 효능效能 effect; efficacy; effectiveness 효력效力 efficacy; effectiveness 효용效用 usefulness; utility 효용성效用性 utility 효율效率 efficiency; effectiveness 효율성效率性 efficiency; effectiveness 효율화效率化 becoming efficient; efficiency 효험效驗 effect; efficacy; effectiveness 고효율高效率 high efficiency 무효無效 invalidity 무효화無效化 invalidation 발효發效 coming into effect; becoming effective 비효율非效率 inefficiency; lack of efficiency 상승효과相乘效果 synergy effect 실효失效 losing effect; invalidation 실효實效 effectiveness; efficacy; practical effect 실효성實效性 effectiveness 약효藥效 medicinal efficacy 역효과逆效果 adverse effect 열효율熱效率 thermal efficiency 유효有效 being valid 즉효卽效 immediate efficacy