While Liu Caifu was exchanging courtesies with Xiang Kun, Zhou Rui, standing at the entrance, suddenly noticed Professor Li Yang fiddling with the tea set at the stone table in the yard. He paused, then took a few steps into the courtyard and blurted out:
"Professor Li?"
Li Yang was taken aback, then turned to Zhou Rui with a smile, "Are you one of our students, did you take my class? I'm sorry my memory might not be very good due to my age."
"It really is you!" Zhou Rui's face lit up with joy, and he took another couple of steps forward, saying: "I'm not a student of your specialty, but I frequently audit your lectures, er... mostly I watch the online course videos. I am a big fan of your two books, read them several times, and I even thought about changing my major when I was a freshman… Oh, my undergraduate major was…"
