This is the 3901st most frequent Korean word.
연구는
"연구는" means "research is" or "research."
In this sentence, '연구는' emphasizes the research as the topic that resulted in new findings.
이 연구는 새로운 발견을 이끌어 냈어요.
This research led to new discoveries.
Here, '연구는' highlights the role of the research within the context of the thesis.
그의 박사 논문에서 연구는 중요한 부분을 차지합니다.
In his doctoral thesis, the research constitutes an important part.
In this statement, '연구는' generalizes the concept of research as a contributor to science development.