The external reason mainly is the population reason, the population growth excessively quickly, the labor force for is bigger than asks;
外部原因主要是人口原因，人口增长过快，劳动力供大于求；
The external reason mainly is the population reason, the population growth excessively quickly, the labor force for is bigger than asks;
外部原因主要是人口原因，人口增长过快，劳动力供大于求；
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