Group 1 - The incident involving Mr. Zheng highlights a significant issue in the e-commerce sector regarding consumer trust and the protection of consumer rights, particularly in the context of precious metal transactions [2] - Mr. Zheng's experience reflects a broader concern about the integrity of e-commerce platforms, as the cancellation of his order without clear communication raises questions about the reliability of these platforms [2] - The situation illustrates that the loss of consumer trust can have far-reaching implications, potentially damaging the reputation and credibility of the entire e-commerce platform [2] Group 2 - Mr. Zheng purchased a 50-gram investment gold bar at a price of 900.3 yuan per gram, totaling 45,015 yuan, anticipating profit from the rising gold prices [1] - After placing the order, Mr. Zheng discovered that the order status was marked as "canceled" despite the gold bar being shipped, leading to a forced repurchase at a higher price of 940 yuan per gram [1] - The incident raises concerns about the operational transparency of e-commerce platforms, as the reasons for the order cancellation were not clearly communicated to Mr. Zheng [1]