Title: The Sweet and Bitter Experience of Newcomers in C2C Trading Body: I, a user who has not been involved in the trading field for a long time, recently decided to return to the market and engage in C2C trading. However, recalling the trading process of the past, I found that many steps had become unfamiliar. Faced with the indifferent attitude of the merchants, I couldn't help but feel lonely and helpless. During the process of trying to complete the transaction, I encountered a series of challenges: the merchants seemed unwilling to communicate proactively, only conveying information through payment. I carefully followed the trading steps, yet I still wasn't sure if my operations were accurate. This series of experiences made me deeply appreciate the complexity of C2C trading. The lack of sufficient interaction between both parties increased the difficulty and uncertainty of the transaction. Looking back on the entire process, I couldn't help but let out a sigh,