This question explores the reasons why people participate in activities. When answering, you can analyze from various perspectives such as social interaction, personal interests, health and fitness, learning and development, as well as seeking entertainment and relaxation. You can emphasize that people participate in activities to meet social needs, pursue personal interests, maintain health, acquire new knowledge or skills, and as a way to escape from daily stress and busyness.

這個問題探討了人們參加活動的原因。在回答時，你可以從社交互動、個人興趣、健康和健身、學習和發展、以及尋求娛樂和放鬆等多個角度來分析。你可以強調人們通過參加活動來滿足社交需求、追求個人興趣、保持健康、獲得新知識或技能，以及作為一種逃避日常壓力和忙碌的方式。