The donations would be directed to low and some middle income countries.

捐赠是针对中低收入国家。

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This group also includes some middle-income countries, such as China and Nigeria.

这一群体还包括一些中等收入国家，如中国和尼日利亚。

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Around 9 in 10 people in low-and middle-income countries live in places where they regularly experience dangerous levels of outdoor air pollution.

在低收入及中等收入国家，大约十分之九的人生活在室外空气污染经常达到危险程度的地方。

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A new study says the leading cause of disability in older people in low and middle income countries is dementia.

VOA: special.2009.12.28

The study says the elderly are nine percent of the total population of low and middle income countries today.

VOA: special.2009.12.28

In low and middle income countries, heart disease and cancer get much of the attention given to chronic diseases.

VOA: special.2009.12.28

Strife is getting more common in lower-middle income countries, and weak government is at least as big a predictor of violence as poverty itself.

ECONOMIST: Wealth, poverty and fragile states

Now, he said, G8 members in turn had to carry out their decisions, especially last year's agreement to extend debt relief to middle income countries.

BBC: Mbeki urges G8 commitment

"Almost three-quarters of the deaths caused by sugary drinks are in low and middle income countries, " says study author Dr. Dariush Mozaffarian, co-director of the cardiovascular epidemiology program at the Harvard School of Public Health.

CNN: Sugary drinks linked to 180,000 deaths worldwide