D) It brings in a large chunk of mobile population.

D）它带来了大量的流动人口。

One of the factors that has led to a global increase in resistance among bacteria is the fact that we have very mobile populations of people.

导致全球细菌耐药性提升的一个因素是，人口流动性非常强。

And although in Pakistan the incidence of polio dropped tenfold between 1995 and 2000, conflict, poor sanitation and a mobile population helped the number of cases jump by 62% last year.

尽管巴基斯坦的脊髓灰质炎发病率在1995年到2000年间降低了10倍，但战争冲突、恶劣的卫生条件和人口的流动使病例数量在去年激增了62% 。

CEPAT works with communities and local organizations to target people who live in urban slums, displaced and mobile populations, the uninsured and people with reduced immunity due to malnourishment or HIV infection.

CEPAT与社区和当地组织合作，帮助那些居住在城市贫民窟的人、流离失所者、流动人口、未参保者，以及那些因为营养不良或艾滋病感染免疫力下降的人。

But it's only in the past few years that Asia has overtaken Europe in America to become the world's biggest beer drinking continent with an increasingly young and upwardly mobile population.

但只是在过去的几年里 亚洲才超过美国的欧洲 成为世界上最大的啤酒饮用大陆 拥有越来越多的年轻和向上流动的人口。