Group 1 - The article highlights the growing trend of cross-category product combinations in the convenience store and supermarket sectors, particularly the pairing of fresh milk with concentrated coffee liquid, which appeals to consumers' desire for convenience and value [1][2] - Brands are increasingly engaging in scenario-based marketing by launching popular combination products, such as the "Yuexian Yueli" latte set from Yuexian Milk and Yongpu Coffee, which offers a cost-effective alternative to purchasing items separately [1][2] - This new sales model differs from traditional promotions like "buy one get one free," as it focuses on the complementary nature of products, fulfilling consumer needs for both convenience and taste [1] Group 2 - Various innovative product combinations are emerging, such as the collaboration between Asahi Dairy and Ningbo's traditional brand, Gangyagou, which offers a unique "good milk wine brew" product [2] - The core competitive advantage of cross-category combinations lies in their ability to precisely address specific consumer scenarios, making them appealing to targeted demographics like office workers [2] - Industry experts believe that the market potential for such cross-border combinations is still largely untapped, as evidenced by successful examples like chia seeds with coconut water and nuts with yogurt, demonstrating the robust vitality of the combination sales model [2]