This is the 9007th most frequent Korean word.
개선한다
"개선한다" means "to improve."
Here, '개선한다' is used to describe the action of improving the quality of a tangible object, such as a product.
이 회사는 제품 품질을 개선한다.
This company improves the quality of its products.
In this context, '개선한다' refers to improving a concept or system like the economy through actions or strategies.
그 정책은 경제를 크게 개선한다.
That policy substantially improves the economy.
Here, '개선한다' emphasizes the enhancement of a personal condition or state, specifically health, through one's efforts.