This is the 1882nd most frequent Korean word.
구단은
"구단은" means "the club/organization (topic marker)" in English.
In this sentence, '구단은' refers to a sports team (club) as the subject that is performing the action of investing.
구단은 차세대 선수들에게 투자하고 있습니다.
The sports team is investing in next-generation players.
Here, '구단은' refers to a sport's organization's decision-making as a subject.
구단은 새로운 감독을 임명하기로 결정했다.
The sports team decided to appoint a new coach.
In this case, '구단은' signifies the sports team acting as the agent in strengthening ties with the community.