1·Clear focus on a population group vulnerable to HIV.
重点针对艾滋病易感的一个人群。
2·In the developed world, the very old (age 80 +) is the fastest growing population group.
在发达国家，老年人(年龄80以上)是增长最快的人口群体。
3·The report also says farmers 65 and older are the fastest growing population group.
该报道称，65岁以及以上的人群增长速度最快。
4·In 2008 and 2009, two psychoanalysts visited a population group in the Amazon rainforest who place great emphasis on dreams and dream interpretation.
2008年和2009年，两名精神分析师探访了一群亚马逊雨林的居民，因为这群居民十分重视梦境以及对应的解析。
5·The health of prisoners is among the poorest of any population group and the apparent inequalities pose both a challenge and an opportunity for country health systems.
囚犯的健康是任何群体中健康情况最差的，这种明显的不平等现象对国家卫生系统既是挑战又是机遇。
6·International Data Corporation, a market research group, predicts the World Wide Web population will reach almost 100 million by 1998 and that online commerce will grow to more than US$20 billion.
市场研究集团——国际数据公司预计，万维网到1998年人口将达到近1亿，电子商务将增长到超过200亿美元。
7·Perhaps that once was true, but today elderly Americans as a group have a lower poverty rate than the rest of the population.
也许这曾经是对的，但是今天美国老年群体的贫困率比其他人群要低。
8·Because this population is getting larger, the number of deaths in this group is also increasing—18,434 centenarians died in 2000, whereas 25,914 died in 2014.
由于人数越来越多，这一群体的死亡人数也在增加——2000年有18434名百岁老人死亡，而2014年有25914人死亡。
9·The South Florida nesting population, the largest, has declined by 50% in the last decade, according to Elizabeth Griffin, a marine biologist with the environmental group Oceana.
据环保组织 Oceana 的海洋生物学家格里芬说，过去10年里，数量最多的南佛罗里达海龟数量减少了50%。
10·Another group of historians had an alternate explanation for the appearance of population growth.
另一个历史学家小组提出了另一种关于人口增长现象的解释。