By examining past experiences and using current techniques, one can predict the results of construction in such a sensitive area. In addition, the by-products of civilization--the litter, fumes and polluted water--would be outside anyone's control. "The negative effects would be inevitable and impossible to make amends for once done!"
此外，誰也無法阻擋文明副產品﹘﹘垃圾、廢氣、廢土、水源汙染，「惡果是必然會發生，且發生後無法挽救的！」