Professor Ambrose Y.C. King of the Chinese University of Hong Kong, in his book Daxue de Linian (The Idea of the University), writes that the University of California offers over 10,000 different courses. Such specialization not only erects seemingly insurmountable barriers between different fields; even scholars in the same field often find themselves unable to communicate with each other meaningfully about their research and experience.
香港中文大學教授金耀基在其著作《大學之理念》中指出，美國加州大學的課程有一萬門之多，不但發生「隔行如隔山」的現象，即使同行的學者也往往無法溝通其所見所學、做有意義的交流。