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。
In their efforts to persuade us to buy this or that product, advertisers have made a close study of human nature and have classified all our little weaknesses.
做广告的人在力图劝说我们买下这种产品或那种产品之前,已经仔细地研究了人的本性,并把人的弱点进行了分类。