Group 1 - The article discusses a promotional event called "善融一元购," where users can purchase selected items for 1 yuan after using a no-threshold coupon [3][4]. - Each user can participate in the event only once within a three-month period, and expired coupons can be reissued [3]. - Coupons are exclusively available through the China Construction Bank app, and purchases must be made using the bank's payment method [3]. Group 2 - The event features various products, including spicy beef noodles, organic eggs, and honey, all available for 1 yuan during the promotion [5][7][9]. - The promotional items are highlighted for their quality and unique characteristics, such as eco-friendly farming practices and traditional production methods [6][8][10]. - The event is structured into two daily sessions for coupon distribution, encouraging users to participate at specific times [3].