9. Investigate current community services and how a mini program could be designed to improve residents' daily activities during the outbreak of epidemic in China, taking COVID-19 as the research background
作品版权由 鲁婉晴、卢苇、李杨雯佳、孙璟颐、葛泓琦、李子涵、魏晓莉 解释，禁止匿名转载；禁止商业使用；禁止个人使用。
