When the gavel of the Chang'an prefectural court struck, Abbas's pink beard drifted in the abacus bead testing solution, forming the character for "injustice."
"My Lord!" he cried. "I used the 'Qingniu dyeing method'!"
Zhang Yifan chuckled, gently waving the abacus bead patent certificate. "Did the foreign merchant read the third clause of the patent?"
Chapter 203