Could it be the prevalence of tea in their culture?

是因为茶在他们的文化中流行而造成的吗？

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The prevalence of black and Asian faces among those targeted has caused especial resentment.

黑人和亚洲人的面孔在那些目标人群中普遍存在，这引起了特别的不满。

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Epidemiological studies have found that children with PDD have no higher prevalence of gastrointestinal tract than normal children.

流行病学研究发现，广泛性发育障碍（Pervasive Developmental Disorder）孩子和正常孩子相比较并没有更高的胃肠道患病率。

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The prevalence of HIV/AIDS in Mali is low for West Africa, effecting less than two percent of the adult population.

VOA: standard.2009.10.21

So, this just shows as the vaccine was distributed, given to more people, that prevalence of the disease dropped dramatically.

因此,这表明随着疫苗的推广,以及接种人数的增加,该疾病的患病率显著降低

耶鲁公开课 - 生物医学工程探索课程节选

As those doses were given you look at the prevalence of polio within the United States.

随着疫苗的使用,你可以看到全美小儿麻痹症

耶鲁公开课 - 生物医学工程探索课程节选

The increasing prevalence of free access at hotels seems to be at a tipping point.

BBC: The business travel benefits of cloud computing

Our list also highlights the growing prevalence of regional air carriers in the skies.

FORBES: Magazine Article

The prevalence of counterfeit wine is a matter few other than the Canadians want to discuss.

FORBES: Magazine Article