Frequent 자주 빈번히 often 자주 흔히 Frequent flyers often complain about crying babies on their flights.왜

Frequent 자주 빈번히 often 자주 흔히 Frequent flyers often complain about crying babies on their flights.왜

Frequent flyers often complain about crying babies on their flights.왜 똑같은 의미 단어 두개 연달아 쓰나요?전자는 형용사후자는 부사