This is radically false. Ambitious professors, the ones who, like their students, want to get ahead in America, work furiously. Scholarship, even if pretentious and almost unreadable, is nonetheless labor-intensive. One can slave for a year or two on a single article for publication in this or that refereed journal. These essays are honest: Their footnotes reflect real reading, real assimilation, and real dedication. Shoddy work—in which the author cheats, cuts corners, copies from others—is quickly detected. The people who do this work have highly developed intellectual powers, and they push themselves hard to reach a certain standard: That the results have almost no practical relevance to the students, the public, or even, frequently, to other scholars is a central element in the tragiccomedy that is often academia.这句话中labor-intensive什么意思，有什么特殊意味

已完成理解「This is radically false. Ambitious professors, the ones who, like their students, want to get ahead in America, work furiously. Scholarship, even if pretentious and almost unreadable, is nonetheless labor-intensive. One can slave for a year or two on a single article for publication in this or that refereed journal. These essays are honest: Their footnotes reflect real reading, real assimilation, and real dedication. Shoddy work—in which the author cheats, cuts corners, copies from others—is quickly detected. The people who do this work have highly developed intellectual powers, and they push themselves hard to reach a certain standard: That the results have almost no practical relevance to the students, the public, or even, frequently, to other scholars is a central element in the tragiccomedy that is often academia.这句话中labor-intensive什么意思，有什么特殊意味」