{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to buy or sell goods in the market?","a":"Choose suitable goods: According to market demand, select goods with competitive advantages and higher  chances of sales success."}]}],"pr":"c6e943abb41d0f617fed6bf15f5de29bcbcacaa3d83e24eea925ffc4103677a4"}