研究 (yán jiū) refers to the systematic investigation and study of a particular subject or phenomenon. It involves gathering information, analyzing data, and drawing conclusions to expand knowledge in various fields such as science, social sciences, and humanities. Researchers often use methods like experiments, surveys, and observations to collect data. In academia, 研究 is essential for advancing understanding and innovation. It contributes to the development of new theories, technologies, and solutions to problems. Institutions like universities and research centers play a crucial role in facilitating 研究 by providing resources and support for scholars and scientists.