But the rise is particularly high in low and middle income countries.

但低收入和中等收入国家的患病率上升速度特别快。

Although air pollution affects people worldwide, low and middle income countries experience far worse.

尽管空气污染影响着全世界的人们，但低收入和中等收入国家的情况要糟糕得多。

It said that the vast majority of air pollution related deaths occurred in low and middle income countries.

报告称，大多数由空气污染导致的死亡发生在中低收入国家。

The Asian Development Bank has said that Burma, also known as Myanmar, can become a middle income country by 2030.

亚洲开发银行曾表示缅甸将在2030年之前成为中等收入国家。

Ninety two percent in low and middle income countries. It's a development issue.

百分之九十二在低收入和中等收入国家。这是一个发展问题。

Which brings us to our next grouping: lower middle income countries.

这就把我们带到了下一个分组：中低收入国家。

This is because 63% of global emissions come from low to middle income countries.

这是因为全球排放量中的63% 来自於低至中所得的国家。

Almost all of these deaths occurred in low and middle income countries where pollution could account for up to a quater of early death.

几乎所有的死亡都发生在中低收入国家，污染占所有早亡人数的四分之一。

" We know there's a big shortfall in the coverage and continued usage of preventative medication, particularly in lower middle income countries, " he said.

“我们知道在预防性药物的覆盖面和继续使用程度上存在很大缺口，尤其在中低收入国家。”

If the lockdowns last for six months, it says, up to 47 million women in low and middle income countries will struggle to access contraception.

报告称，如果封锁持续6个月，低收入和中等收入国家将有多达4700万妇女难以获得避孕措施。

The next category is the upper middle income countries, defined as those with GNI between $4,000 and $12,500 per year.

下一类是中高收入国家，定义为每年国民总收入在 4,000 美元至 12,500 美元之间的国家。

But the most important and intriguing changes are taking place in middle income countries, which contain most of the world's people.

但最重要也最引人注意的变化正发生在中等收入国家，这些国家拥有世界上最多的人口。

The rate of new infections among children is falling, and more than eight million people in poor and middle income countries are receiving crucial lifesaving drugs.

儿童新发感染率正在下降，贫困和中等收入国家有超过 800 万人正在接受关键的救命药物。

" Smoking, you know, once it gets established and in many of the low- and middle income countries, you know there's kind of a prestige initially to smoking, " Mr Levy said.

“要知道，一旦开始吸烟，在很多中低收入国家流行起来就成为一种身份的象征。”

But this is really costly and still kind of new technology. So I don’t this is a solution at the moment for low and middle income countries.

但这真的很昂贵， 而且仍然是一种新技术。 所以我认为这不是目前针对中低收入国家的解决方案。

So there are costs associated to that with the economy. We when we calculate that in low and middle income countries, it's 2 percent of the GDP.

因此，存在与经济相关的成本。当我们计算低收入和中等收入国家时，它占 GDP 的 2%。

The World Health Organization estimates that more than 47 million people suffer from dementia, with about 60 percent of them in low and middle income countries, countries with the least ability to cope.

据世界卫生组织预计，全球有超过4700万人身患老年痴呆，而有大约60%生活在中低收入国家中，这些国家无能力解决这一问题。

Yet over 20,000 infants still die of tetanus every year, mostly in low and middle income countries where vaccine access is limited, including South Asia and sub-Saharan Africa.

然而， 每年仍有超过 20,000 名婴儿死于破伤风，其中大部分发生在疫苗接种有限的中低收入国家，包括南亚和撒哈拉以南非洲。

Unlike the previous groups, only 40% of people living in lower middle income countries live in urban areas, and the economy is based around manufacturing and natural resource production.

与之前的群体不同， 生活在中低收入国家的人口中只有 40% 居住在城市地区，经济以制造业和自然资源生产为基础。

For example, the maternal mortality rate is 5 times higher in lower middle income countries than in upper middle income countries, and one-third of children under the age of five are malnourished.

例如， 中低收入国家的孕产妇死亡率是中高收入国家的 5 倍，五岁以下儿童中有三分之一营养不良。