当前的人口迁移政策中没有解决这一问题的现成方案，但一条可能的出路是将短期流动同鼓励回国措施或循环式流动结合起来。
There are no ready-made solutions for effective migration policy, yet one possible route might be to combine short-term migration with incentives for return or circular migration.
而这一进程的结果就是：人口红利，它可以造就增长的良性循环。
The result is a "demographic dividend", which can be cashed in to produce a virtuous cycle of growth.
人口结构的变化有助于创造一个良性的增长循环。
These demographic changes help to create a virtuous circle of growth.
悲观者认为人口更多反而阻碍人们变得富裕，贫穷和无节制的生育会形成恶性循环。
Pessimists feared that if rising population prevented the world's poor from advancing, they would get caught in a cycle of poverty and large families.
目前常熟人口与社会经济关系已步入良性循环阶段。
At present, the relationship between the population and the socioeconomics of Changshu is on the stage of benign circulation.
同时在研究中我们也不难发现，农村劳动力的回流并不是简单的人口回归，在这一个循环过程中劳动力被自认分层。
At the same time is not difficult to find that rural labor return is not simply a population regression, in which cycle the labor is considered themselves hierarchical.
一方面，应当采取迅速有效的措施来控制人口增长、保护水资源、禁止水污染和使用循环水。
On one hand, immediate and effective treasures must be taken to control the growth of population, protect water resources, forbid water'population and use recycled water.
经济的良性循环需要生产技术的不断提高以及农村人口的合理引入。
Such a good economic cycle depended on the improvement of the technology and rational ingress of country labor.
经济的良性循环需要生产技术的不断提高以及农村人口的合理引入。
Such a good economic cycle depended on the improvement of the technology and rational ingress of country labor.
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