FAQs About the word usefulness

유용성

the quality of being of practical useThe quality or state of being useful; utility; serviceableness; advantage.

이용하다,사용법,유틸리티,장점,도움,이익,도움,마일리지,서비스,유지보수성

쓸모없음,무가치함,미적용,부적절성

usefully => 유용하게, useful => 유용한, used-car lot => 중고차 매장, used-car => 중고차, used to => 했었다,