一个企业的发展如同一个地区或一个国家的经济发展一样，都存在着周期性变化规律。正常情况下，企业的经济发展周期是以投入为起点、产出为终点而轮回的，企业经济的大幅增长必须以相应数量的投入为基础，生产能力和经济效益相应大幅提高是投入后产出的直接表现。投入产出是企 The development of an enterprise, like that of a region or a country, has a cyclical pattern of change. Under normal circumstances, the cycle of economic development of enterprises takes investment as the starting point and output as the ending point. The substantial growth of the enterprise economy must be based on the corresponding amount of inputs, and the corresponding substantial increase in production capacity and economic benefits is the output after the input The direct performance. Input-output is the enterprise