由于他们的收入较低，居住环境差，住房现状令人担忧。
As a result of their lower income and worse dwelling environment, their house condition is worried by the society.
工业革命时期，工人的居住环境又差又拥挤。
During the Industrial Revolution, factory workers lived in poor and crowded conditions.
野生动物的居住环境越来越差。
The living environment of wild animals is getting worse and worse.
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