As useful as phrase and proximity queries can be, they still have a downside. They are overly strict: all terms must be present for a phrase query to match, even when using slop.phrase와 proximity query는 유용하지만, 단점이 있다. 지나치게 엄격하다. phrase query에 일치하기 위해, 심지어 slop 을 사용할 경우에도, 모든 단어가 반드시 존재해야 한다.The flexibility in word ordering that you gain with slop also comes at a price, because you lose the assoc..