1. Sales is the process of introducing the benefits provided by goods to meet the specific needs of customers. 2. If you give me a magnetic card? When answering this question, the first thing that puzzles us is that it is just a magnetic card. What kind of magnetic card is it? What is the magnetic card for? I will answer this question like this: "If you give me a magnetic card to sell, then I will first find out what this magnetic card is for, what are its advantages and disadvantages, and what kind of people it is suitable for. After knowing the purpose of the magnetic card, I will know what kind of people need it, or can accept and buy this magnetic card. Then, I can introduce customers with professional knowledge and let them buy.