I think we should take care of the environment, so that we have something to leave for our children.
我觉得我们应该保护好自然,以便将来能给我们的子孙后代留下一些东西。
To get a full appreciation of what this means we must turn first to some recent human inventions.
要透彻理解这句话的意义,我们应先回顾一下人类最近的几项发明。