"I can always tell a graduate class from an undergraduate class," said an instructor at a university graduate engineering course. "When I say 'Good afternoon,' the undergraduates respond 'Good afternoon.' But the graduate students just write it down." 一个教师在研究生工程学课堂上说: " 我一眼就能看出来哪些是本科生,哪些是研究生。 " " 我说 ' 下午好 ' 的时候,本科生回答 ' 下午好 ' ,而研究生则把这句话记在本子上。 " |