use function短语⁶⁵²⁰⁷ 基本例句 使用功能 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。 cnki