Than by all previous generations of humanity. 其速度远超以往历代

294. some of us acquired unprecedented comforts.
     我们中的一些人获得了空前的安逸
295. And in 50 years, in a single lifetime,
     在过去50年中 就是一代人的时间
296. The earth has been more radically changed...
     地球被彻底改变
297. Than by all previous generations of humanity.
     其速度远超以往历代
298. Faster and faster.
     越来越快
299. In the last 60 years,
     在过去的60年里
300. the earth's population has almost tripled,
     人口数量几乎增长3倍

来自《家园 第一部分 Home Part1》第 297 行