-(으)ㄴ/는 반면(에): 비싼 반면에 품질이 좋아요
the other side; whereas, on the other hand
Example
이 집은 넓은 반면 교통이 불편해요.
This house is spacious, but on the other hand, transportation is inconvenient.
Word parts
반 opposite+면 side
Literally 'the opposite side'.
Good to know
Attach it to a modifier to contrast two facts: -(으)ㄴ/는 반면(에).