Gu Nan did not come from a wealthy family. His father was just a small business owner doing well in recent years. Gu Nan could be considered a young master who did not have to worry about food and clothing.
He occasionally heard the girls talking about some matters between the big families in the capital, but he was not interested in these things.
"What are the things that you don't understand?"
Cheng Xiao brushed away the hair beside her ears.
She had used perfume on her wrist and the back of her ears when she came out this morning. She didn't know if Gu Nan could smell it.
Gu Nan pointed at the question.
"I did this question according to the method of the example question, but the answer is different from the example question."
Cheng Xiao hadn't calmed down because of the cheering just now. She looked at the question, but she couldn't find anything wrong with it.
