Poverty is not prevalent in most cities although, perhaps because of the crowded conditions in certain areas, it is more visible there.

贫穷在大多数城市并不普遍，但也许由于某些地区的拥挤状况，贫穷在那里更为明显。

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During the Industrial Revolution, factory workers lived in poor and crowded conditions.

工业革命时期，工人的居住环境又差又拥挤。

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Clean water and safe sanitation are critical for the people now living in crowded conditions.

对目前生活在拥挤条件下的人们来说，洁净水和安全的卫生条件至关重要。

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Sullivan also pointed to possible "complicating factors, " such as malnutrition, poor housing or crowded conditions.

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It can spread in markets or places where eggs and birds are sold in crowded conditions.

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The Dowlings said living in such crowded conditions is adversely affecting the family's life.

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