특가special price 특급special class; special rank; special grade 특기specialty; one's skill 특성characteristic; trait; feature 특수being unusual; being unique; being special 특실VIP room; VIP suite 특정being specific; being particular 특징distinct characteristic; peculiarity; feature 초특급being very speedy 초특급supergrade; top class

효과effect; efficacy 효과적being effective; being effectual 효과적effective; effectual 효율적being efficient; being effective 효율적efficient; effective 비효율적being inefficient 비효율적inefficient 특효약miracle cure; wonder drug 효과음sound effect 효능effect; efficacy; effectiveness