人口减少；人口流失
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人口减少；人口流失；人口减少；人口流失
a decrease in the number of people living in a particular area or country
Many rural towns are facing population loss as young people move to cities.
随着年轻人迁往城市,许多乡村小镇正面临人口流失。
人口减少；人口流失
a decrease in the number of people living in a particular area or country
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Dictionary facts from AI_SUPPLEMENT.