The higher intake of livestock products, the report says, is the result of rising population, urbanization and increasing affluence in many parts of the world.

VOA: standard.2010.02.22

But it's all different degrees of terrible, if you will, because so many people in the population share that biological vulnerability and when the environment changes, we have the problems.

只要愿意,这造成的恐慌程度是不同的,因为在人群中有很多这样的群体,他们都有这种生物易损性,当环境发生变化时,就会出现问题

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

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

The U.N.Fund for Population Activity says more than 600,000 African women already suffer from obstetric fistula with as many as 30,000 new cases each year.

VOA: standard.2009.12.23

Many observers say those policies have contributed to creating an impoverished, undereducated and isolated population.

VOA: standard.2009.03.26

As many as 90 people were reported killed in the air strike and initial reports from the local Afghan population described most of the victims as civilians.

VOA: standard.2009.09.07

Some want an independent review. And the trial's researchers, like Dr.Nelson Michael, of the Walter Reed Institute of Research in the United States, say it's unclear what difference the findings will make for areas like Africa where rates of HIV/AIDS are much higher than among the test population and where there are many strains of the virus.

VOA: standard.2009.10.20