C141 It Was Useless to Study

"Where did you learn all this?" Wen Shaoxuan asked.

Shi Xiaoxia thought for a moment, setting her pen down. "I read about it in those two books by Scholar Qiao."

Wen Shaoxuan pursed his lips but didn't say anything. He knew those books by Qiao Yifan didn’t actually teach how to make signs like this. Where did this girl get such clever ideas?

Soon, the sign was ready