C150 There's a doctor here

"Excuse me, Mr. Dawn, after the doctorate, are you old? How old are you to get a postdoctoral degree? How old did you graduate? " Chen Dong suddenly asked.

"It's scary to have no culture." Dawn disdainfully snorted, "You country bumpkin. I, at the age of twenty-six, will take the PhD exam and graduate at the age of thirty-one."

This kind of result at Harvard is the same as falling behind