On average, each of the men had seen turtles more than eight times during each of the preceding three months. Cheng believes this may be related to the fact that the local natural environment has not suffered large-scale degradation.
平均每位受訪者在這三個月內，每月都見到八次以上，他認為這可能與當地自然環境還未遭受大幅破壞有關。