求翻译：广告的经济功能体现于在沟通产供销的整体经济活动中所起的作用与效能上，广告的信息流通时刻与经济活动联系在一起，促进产品销售和经济发展，有助于社会生产与商品流通的良性循环，加速商品流通和资金周转，提高社会生产活动的效率，为社会创造更多的财富。广告能有效地促进产品销售，指导消费，同时又能知道生产，对企业发展有不可估量的作用。是什么意思？

Economic function of advertising is reflected in the overall production and marketing of communication in economic activity and performance on the role of advertising time flow of information linked with economic activities, to promote product sales and economic development, contribute to social pro

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The economic function of advertising communication in the supply of the roles played by the overall economic activity and effectiveness, advertising the flow of information at all times and economic activity associated with, and to promote product sales and economic development, contr