This is the 9008th most frequent Korean word.
개선했고
"개선했고" means "improved" (past tense).
In this sentence, '개선했고' is used in the past tense, indicating that the improvement action has been completed.
회사의 복지 정책을 개선했고, 직원 만족도가 높아졌습니다.
We improved the company's welfare policies, and employee satisfaction has increased.
Here, '개선했고' refers to the improvement of infrastructure, showing causality linked to better traffic flow.
도로를 개선했고 교통이 더 원활해졌습니다.
We improved the roads, and traffic has become smoother.
In this context, '개선했고' highlights an enhancement in product characteristics leading to increased sales.