a medium-term phase out of what they call inefficient fossil fuel subsidies, although this would take into account what they call vulnerable groups and their development needs.

VOA: standard.2010.06.27

They start to talk about who's most susceptible in the population; who were the most vulnerable groups; and if you're going to do intervention, who you may want to focus your efforts on.

人们开始讨论哪些人是最易受到影响的,哪些是最脆弱的群体,如果要进行干预,应该把注意力集中在哪些人身上

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Some people in the population are more biologically vulnerable than others, and the Pimas appear to be one of those groups.

人群中有一些群体,在生物学上处于弱势,皮玛族就是其中之一

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

But experts say they are encouraged that the virus seems to be hitting hardest among people of middle age, sparing the more vulnerable groups - the elderly and children under the age of five.

VOA: standard.2009.04.28

It's also interesting that given the same level of nutritional problems -too much fat, too little fiber, too many calories, whatever it happens to be -not everybody is affected the same way, and some population groups are especially vulnerable, so we'll talk more about that later as well.

另一点值得关注的是,相同的不良营养水平下,太多脂肪,太少纤维,太高热量,无论是哪一种情况,人们受影响的程度不尽相同,有一些人群特别容易受到伤害,我们待会也会讲到这点

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

"And,high food prices and fuel prices, as well as drought have had a severe impact on the most vulnerable groups in Afghanistan, many of whom are also living in very poor and inadequate housing.

VOA: standard.2009.09.13

Like indigenous groups and poor communities around the world, Australia's Aborigines are considered to be more vulnerable to the H1N1 flu than other groups because they suffer higher rates of chronic disease.

VOA: standard.2009.07.24