In an instant, there was only one sentence left in Ning Li's mind: "
The old professor gently pressed his hand down.
"Sit down. Have a good lesson."
Ning Li slowly sat down and looked blankly at the book on the table.
--Advanced mathematics.
Oh, there would be more in the future.
...
After the Advanced Mathematics class, the students were already drowsy. Only the old professor was feeling refreshed.
The Institute of Physics and the Institute of Mathematics had been in love for many years. This time, they had finally gotten back at each other and settled two old scores.
After the class, the old professor had even specially called Ning Li to the front to express his concern.
"Ning Li, how was your class? Is there anything you don't understand?"
Ning Li, "..."
