名词
中文翻译：Unknown
同义词：
['return migration', 'reverse migration', 're-emigration']
例句：
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1. The back-migration of young professionals has led to a shortage of skilled labor in certain industries.
年轻专业人士的回流导致了某些行业的技能劳动力短缺。
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2.The government is considering implementing measures to prevent back-migration from rural areas to urban centers.
政府正考虑采取措施，防止农村地区向城市中心的移民回流。
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3. The company's decision to relocate its headquarters to a new city was met with strong back-migration from the old location.
该公司决定将其总部迁至新城市的决定引起了对旧地点强烈移民回流。