So more people, eating more stuff, and richer stuff, and of course having an energy crisis at the same time, where we have to replace oil with other energy sources that will ultimately have to include some kinds of biofuels and bio-energy sources.
因此人口增加 消耗更多粮食、更多资源 当然同时导致能源危机的发生 我们必须以其它能源取代石油 最终将必须包括某种生物燃料 和生质能源