"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.
“研究生班和本科生很容易就能區(qū)別開(kāi)來(lái),”在洛杉磯加利福利亞州立大學(xué)給我們研究生上工程學(xué)課的老師如此說(shuō).

"When I say,'Good afternoon,' the undergraduates respond,'Good afternoon." But the graduate students just write it down."
“我說(shuō)‘下午好’,本科生們回答說(shuō)‘下午好’.研究生們則把我說(shuō)的話記在筆記本上.”