The behavior of consumer demand for lottery has been researched. And the lottery purchasing action that seems unreasonable was analyzed with the use function of consumer.
对彩票业的消费需求行为进行了研究，用消费者效用函数模型分析了彩民购买彩票的这一看似不理性的行为。
The Application Form of Measuring Tools Purchasing should be filled and submitted to the group, notifying the purpose, function and precision of them.
如需采购测试设备，应填写“计量器具采购申请表”，注明用途、功能及精度要求，报项目组。
Ad, namely, is to publicize, to make more people know the quality and function of commodity. It is to use real and persuasive propagation to deliver commodity information to create purchasing power.
广告，顾名思义就是广而告之，让人民从广告中了解商品的性能与功用，它通过具有真实性和说服力的宣传来传达商品信息、说服大众、创造购买力。
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