When he finished all this, Hanzi saw that it was nearly ten o'clock and wanted to go to the classroom first. I wondered if there were any beautiful women in the class besides the delicate ones. He could not help quickening his pace when he thought of beautiful women.

"This is it." Hanzi stopped outside for a moment and looked into the classroom. I saw a tall old man wearing heavy black-framed glasses, salivating behind the desk, lecturing. On both sides of the plexiglass blackboard was a large multimedia screen, with contents on it. Hanzi did not pay attention to it. On the right side of the classroom, there is...