世界人口问题已成为人类不得不面对的一个烫手山芋，为此联合国赞助了本次世界人口大会。让我们一起来听听代表们都说了些什么吧！ Hints: Cairo 开罗 non-binding 前面的考试说明不用听写出来
A 20-year action plan for cutting the rate of world population growth is expected is expected to win wide approval today in Cairo. Delegates at the UN-sponsored conference on population completed final talks on the plan Monday. The document is non-binding, but it will serve as a guideline for countries and donor states that fund health care and family planning programmes. The world population of 5.7 billion currently is growing at more than 90 million a year.