This way of traveling, in which strangers like Yang and Wu come together by fate, is the new favorite of the world's young backpackers- "couchsurfing."
到全世界的沙發睡覺像楊秉軒、吳鳳英這種「陌生人萍水相逢，卻登門入室以主客相待」的旅宿方式，正是目前全球青年背包客最流行的旅遊型態──「Couchsurfing」（沙發衝浪）的變形衍伸。