贡献 (gòng xiàn): 기여하다

She worked at the company for twenty years and made important contributions to technological development.

Every citizen should contribute their own effort to protecting the environment.

This scientist devoted his life to medical research and saved many lives.

In the team project, he took on the hardest part and contributed key ideas to the project's success.

The volunteers' selfless dedication contributed tremendous strength to the reconstruction of the disaster area.