With the development of economy and increase of population , shortage of water resource increasingly becomes a kind of austere question faced by human being 随着经济发展和人口的增长，水资源短缺日益成为人类面临的严峻问题。
However , in the long run india might pull ahead because its population will continue to grow long after china ' s has levelled off 然而，从长远来看，印度或许会超出，因为在中国的人口停止增长后，印度人口的增长仍将持续很长时间。
With the developing of economy , the growth of population and the improvement of our living standard , our demand for energy is increasing 随着经济的发展，人口的增长，人们生活水平的日益提高，人类对能源的需求量也在不断的增加。
Population growth also means a greater demand on food supplies . the united nations predicts a population of more than eight billion by the year twenty thirty 人口的增长也意味着对粮食的需求增加了。联合国预测2030年人口将达80多亿。
Population growth also means a greater demand on food supplies . the united nations predicts a population of more than eight billion by the year twenty thirty 人口的增长同样需要更多的粮食供应.联合国预测,到2030年,人口总数将会超过80亿
The food supply will not increase nearly enoueh to match this , which means that we are heading into a crisis in the matter of producing and marketing food 粮食供应的增长几乎不能满足人口的增长，这说明我们正陷入粮食生产与消耗的危机中。
Population growth also means a greater demand on food supplies . the united nations predicts a population of more than eight billion by the year twenty thirty 人口的增长也意味着对粮食供应的需求。联合国预言到2030年世界人口将超过八十亿。
Population growth also means a greater demand on food supplies . the united nations predicts a population of more than eight billion by the year twenty thirty 人口的增长也意味着对粮食需求的增加。联合国预测到2030年世界人口将会超过80亿。
The food supply will not increase nearly enough to match this , which means that we are heading into a crisis in the matter of producing and marketing food 食品供应将远远赶不上人口的增长，这就意味着我们在粮食的生产和购销方面正面临危机。
Population growth also means a greater demand on food supplies . the united nations predicts a population of more than eight billion by the year twenty thirty 人口的增长同样需要更多的粮食供应。联合国预测，到2030年，世界人口总数将会超过80亿
