久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99

“I can always tell a graduate class from an undergraduate class,” observed the instructor in one of my graduate engineering courses at California State University in Los Angeles.

“When I say ‘Good afternoon,’ the undergraduate respond ‘Good afternoon.’ But the graduate students just write it down.. ”

“研究生班和本科生班很容易就能區別開來。”在洛杉磯加利福利亞州立大學給我們研究生上工程學課的老師如此說：“我說‘下午好’，本科生們回答說‘下午好’；研究生們則把我說的話記在筆記本上。

（通訊員華東政法學院孫曉琳）