His experience with the frogs has given Hsu a deeper understanding of the meaning of "ecology." He says, "If we only reintroduce a bunch of frogs we'll just be building a zoo. What would be the point of that?"
對於何謂「生態」，許瑞明有了更深的體悟：「如果只復育樹蛙，不過就是建造一座蛙的動物園，又有何意義？」