Now, if you do an economic analysis and project what would happen if the fish were not cut, if we brought just 20 divers one month per year, the revenue would be more than 20 times higher and that would be sustainable over time.
ここで経済分析をし 何が起こるか予測してみましょう 魚を殺さず 20人のダイバーを 毎年1か月連れてくると 収入は20倍増え 時間とともに持続的になります