Mikrocensus 1970, 3. quarter: Job Change and Change of Occupational Life
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It is generally well known that great changes are taking place in professional life. Once, it had been the rule that a person carried on the profession they had learned until...
众所周知，职业领域正经历着深刻变革。曾有一段时期，人们普遍遵循这样的准则：从事自身所学的专业，直至……
