课题 kètí HSK5 project Origin Definitions Defs Strokes Stroke Words Sentences Sents Showing: issue All meanings 5 kètí 5 project 4issue 1 1 sentence for 课题 (kètí — issue) 如何应对人口老龄化是当今社会的重大课题。 rúhé yìngduì rénkǒu lǎolínghuà shì dāngjīn shèhuì de zhòngdà kètí. How to deal with an aging population is a major issue in today's society. Source: Dong Chinese Dictionary