If we're all prepared to recycle paper, thousands of trees could be saved every day.
如果纸能被循环利用,那么每天千千万万的树木就可得以挽救。
This shows how long it was before we deemed it necessary to make sure that all our children could share in the knowledge accumulated by the'happy few' during the past centuries.
这说明,经过了多么漫长的时间之后,我们才认识到,有必要确保我们的孩子享有多少个世纪以来由‘少数幸运者’所积累起来的知识。