But developed countries have a humanitarian responsibility too.

但发达国家也有人道主义的责任。

For many years, developed countries produced and used the largest crops of potatoes.

多来，发达国家的土豆产量和使用量最大。

However, the wealthy ones have lower percentages of modern slavery among workers.

是发达国家中，工人遭受现代奴役所占的比例相对少一些。

Even so, the U.S. lags behind other wealthy nations in advances in population health.

尽管如此，美国在人口健康进步上仍落后于其他发达国家。

On the other hand, interests are not evenly shared by every stratum of society.

另一方面，在发达国家内部和发展中国家内部，社会各阶层的利益分享也均衡。

Rich economies are also less dependent on oil than they were, and so less sensitive to swings in the oil price.

发达国家对石油的依赖性也如从前，因此对油价的波动也就会那么敏感。

We are one of the few developed countries where young people don't routinely study some form of maths up to the age of 18. They do it in Australia, Canada, France, Germany, Finland, Japan, Norway and America.

我们是少数几个要求18岁以下学生对数学进行系统学习的发达国家之一。澳大利亚也是如此，还有加拿大、法国、德国、芬兰、日本、挪威和美国。

It's the USA, it's developed countries that teach us how to do globalization.

是美国，是发达国家教我们如何全球化。

The rich countries have already pledged and promised a hundred billion dollars a year, starting from 2020, to cover all kinds of climate change activities which in climate change are either going to be called mitigation or adaptation.

发达国家已经允2020起，每提供1000亿美元，支持各类改善气候变化的活动，即各类减排活动。

There are some experts in the world that tell us that we will have less crime in developed countries because of what's called, " Predictive crime mapping" .

世界上有许多专家告诉我们由于" 可预测的犯罪地图" ，在发达国家犯罪情况会减少。

Developed countries sometimes offer food and aid to developing ones, but at a price.

发达国家有时会向发展中国家提供粮食和援助，但这是有代价的。

A vaccine ended polio in the developed world more than 50 years ago.

50多前，一种疫苗结束了发达国家的小儿麻痹症。

I really hope that all these countries, developing countries and even developed countries will use this type of technology as a means of mitigating the pollution.

我真的希望所有国家，发展中国家，甚至发达国家都能利用这种技术来减轻污染。

And this progress has not just been achieved in rich countries.

仅仅是发达国家取得了这样的进步。

This should be done at local, regional and international levels, helping to promote the foods grown by African farmers and create trade within Africa, but also outside African borders with consumers in wealthier countries.

这需要从地方、区域和国际层面多管齐下，帮助促进非洲农民种植的农作物销量并且激发非洲大陆内部的贸易需求，和非洲海外的与发达国家的外贸需求。

I say it's dangerous because we know that in places like the U. S. or Japan or many other developed countries, by far, the most impactful human activity on climate is the use of fossil fuel: Oil, Coal and Gas.

我说这很危险，因为我们知道在美国、日本或许多其他发达国家，到目前为止，对气候影响最大的人类活动是使用化石燃料：石油、煤炭和天然气。

It wants to see rich countries transfer new technology and knowledge to poorer nations.

它希望看到发达国家向贫困国家转移新技术和知识。

Definitely. Many developed countries are trying to develop alternative energy to ease oil shortage.

的确。许多发达国家正努力开发可替代能源，来缓解石油短缺的现状。

What's weird is that in developed countries, allergies seem to be getting more common.

奇怪的是，在发达国家，过敏似乎越来越普遍。

Are labour markets in the rich world too tight?

发达国家的劳动力市场是否过于紧张?