Through this discussion, the field of the consumer behaviour theory in the economics is expanded, the main base of the economics of quality is set up.

通过这些讨论，扩展了经济学中消费者行为理论的范围，为质量经济学的建立打下了重要基础。

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But Google's search data are updated every day, so they can in theory capture shifts in consumer behaviour before official Numbers are released.

但是谷歌搜索数据每天都在更新，因此理论上在官方数字出炉之前，们就把握住了消费者行为的变化。

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