企业技术进步的途径不同，技术进步的发生成本不同。
Different enterprises' technological progress route causes different cost.
技术进步与企业收益有正面、良性的关系。
There are the positive and benign relations between technical progress and environment benefit.
技术进步与企业收益有正面、良性的关系。
There are the positive and benign relations between technical progress and environment benefit.
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