我国是一个人口大国，人口数量多，增长快，人口素质低；由于人口众多，不仅造成人均资源的数量很少，而且造成住房、教育、就业等方面的很大压力。每年新增加的国民生产总值有相当一部分被新增加的人口所抵消，从而造成社会再生产投入不足，严重影响了国民经济的可持续发... China is a large country with a large population. It has a large population and rapid growth. Its population is of low quality. Because of its large population, it not only causes a small amount of resources per capita, but also causes great pressure on housing, education and employment. Every year, a large part of the newly added gross national product is offset by the newly added population, which results in insufficient investment in social reproduction, which has seriously affected the sustainable development of the national economy...