But it is unprecedented in human history for a nation to deal with this challenge, while coping with a huge population and relatively little land and resources.

但是一个国家要应对这种挑战，同时还要应付庞大的人口和相对较少的土地和资源，这在人类历史上是前所未有的。

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Significant regional disparities in human resources for health deployment in Senegal weaken the country's health system and compromise population health.

塞内加尔在医疗人力资源部署上显著的区域性差异削弱了该国的医疗体系，不利于维护人民的健康。

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The second round of population dividend that features college students and human resources is replacing the traditional population dividend that features migrant workers and low-end labor force.

以大学生和人力资源为核心的第二次人口红利开始替代以农民工和低端劳动力为核心的传统人口红利。

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Providing modern contraception also has the potential to stem population growth and relieve human pressure on the environment and natural resources.

CNN: The elephant in the room at Rio summit