Last summer Utpal Dholakia of Rice University interviewed 150 businesses that had done Groupon promotions.
去年夏天，赖斯大学的Utpal Dholakia访问了150家做过团宝促销活动的商户。
Last summer Utpal Dholakia of Rice University interviewed 150 businesses that had done Groupon promotions.
去年夏天，赖斯大学的Utpal Dholakia访问了150家做过团宝促销活动的商户。
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