Reference subject: A backpacking trip through rural villages A cultural exchange program abroad Volunteering in a wildlife conservation project Learning a traditional craft in a small town Participating in an outdoor adventure camp Staying with a host family in a foreign country Attending a unique local festival Exploring historical sites off the beaten track

参考主题Reference subject： A backpacking trip through rural villages 一个穿越农村小村庄的背包旅行 A cultural exchange program abroad 一个在国外的文化交流项目 Volunteering in a wildlife conservation project 在一个野生动物保护项目中做志愿者 Learning a traditional craft in a small town 在一个小镇上学习传统手工艺 Participating in an outdoor adventure camp 参与一个户外探险营 Staying with a host family in a foreign country 在国外与一个寄宿家庭同住 Attending a unique local festival 参加一个特别的当地节日 Exploring historical sites off the beaten track 探索小众路线上的历史遗迹