名词
中文翻译：没有家的人
同义词：
['homeless', 'homeless person']
例句：
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1. Many people are homeless due to the economic downturn.
由于经济衰退，许多人无家可归。
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2. The homeless man was found sleeping on the street.
那个无家可归的男人被发现在街上睡觉。
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3. Homelessness is a serious social problem that needs to be addressed.
无家可归是一个严重的社会问题，需要得到解决。