College students can expand their extracurricular knowledge correctly and effectively through the following ways: reading more: reading is an important way to expand their knowledge and horizons. By reading all kinds of books, you can increase your knowledge reserve and improve your comprehensive quality. Communicate more with others: communication and learning between people is another effective way. You can participate in various club activities, make friends and share each other's views and experiences. Watch more news: Paying attention to news every day and understanding important events in the world can help college students keep pace with the times and increase their understanding of society and the world.

In addition, college students can also participate in various lectures and seminars, use network resources to study, and even participate in some volunteer activities to learn new knowledge from practice. In short, the key to expanding extracurricular knowledge lies in continuous learning and practice. _