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The laid-off and unemployed population and the floating population are two high-risk groups in our country.
下岗失业人群、外来流动人群是我国的两类高危人群。
youdao
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The laid-off and unemployed population and the floating population are two high-risk groups in our country.
下岗失业人群、外来流动人群是我国的两类高危人群。
youdao