{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"How to confirm the received expression?","a":"Careful reading:  First, ensure that you have read the entire expression thoroughly. During the reading process, pay attention to key information, themes, and conclusions to gain a comprehensive understanding of the whole expression."}]}],"pr":"a5213a26b3e3791f8d30060b7214b117883483d4bd78bfbbff74ec48b4d1c630"}