a form of tourism in which travellers work without pay, usually for a charity, in countries they are visiting 公益旅游,义工旅游(旅游者在到访的国家做慈善义务工作) Voluntourism has attracted increasing numbers of travellers looking to learn new skills, meet people, and give back to the global community. 志愿者旅游吸引了越来越多的旅行者,他们希望学习新技能,结识新朋友,并回馈全球社区。