In other words, poor and rich both over-exploit the natural world, but for different reasons.

换句话说，穷国和富国都过度开发自然世界，但二者出于不同的原因。

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"With regards to physical activity levels, we did not find much of a difference between poor and rich countries," Guthold said.

古特·尔德说：“在身体锻炼水准上，我们发现穷国和富国的孩子没有太大差别。”

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We need to try and narrow the health divide between rich and poor.

我们需要设法缩小穷人和富人之间的健康差距。

《牛津词典》

It is a collection of linked short stories about the lives of very rich and very poor people in Pakistan.

VOA: special.2010.01.01

What do you think we should do to eliminate inequalities between poor and rich people?

你觉得我们应该做点什么，来消除穷人和富人之间的差距呢？

想要消除不平等 - SpeakingMax英语口语达人

It's not the best form of food in that they're actually very poor in protein, and unfortunately very, very rich in cyanide.

但木薯的根并不是最好的食物,因为它的蛋白质含量很少，而更不幸的是，它的氰化物含量非常，非常高。

麻省理工公开课 - 化学原理课程节选

The city is a mix of the poor and rich, of slums and luxury hotels.

CNN: Mumbai: India's financial, cultural hub

According to Nobelist Douglas North, the main difference between poor and rich nations is not growth rates.

FORBES

Above all, as the gap between poor and rich yawns, they point to the smell of corruption.

ECONOMIST: South Africa: It��s not just the mines | The