{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to buy or sell goods in the market?","a":"Determine the price: Set  a reasonable purchase or selling price based on the cost of the goods, market demand, and competitor prices."}]}],"pr":"8045a7e1296431adc16ccc72347dfc0a06ae56ac91efdda32d211c1de8c0a46b"}