There's a yawning gap between rich and poor.

贫富之间有一条鸿沟。

《牛津词典》

These measures are aimed at closing the gap between rich and poor.

这些措施旨在缩小贫富差距。

《牛津词典》

It may help narrow the gap between the rich and poor countries.

它可能有助于缩小富裕国家和贫穷国家之间的差距。

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He says the government is working to solve issues such as the income gap and poor housing.

VOA: standard.2010.03.24

and that it widens the gap between the rich and the poor.

扩大了贫富差距。

不能非法下载 - SpeakingMax英语口语达人

Since these countries tend to be populous and relatively poor, the gap between cumulative GDP and population starts to collapse, and the line heads back down.

FORBES: The correlation is there.

There's a mound of rich people, a mound of poor people and a gap where the middle class should be.

ECONOMIST: America's resurgent capital

Schools in England will no longer be rated as "outstanding" by inspectors if they fail to close the attainment gap between poor and affluent children.

BBC: Schools told to narrow gap between rich and poor