1, college generally refers to the junior college level, which is an integral part of a university and is different from an undergraduate course. Three books refer to the third place in the batch and order of admission for undergraduate college entrance examination in China. One is an undergraduate and the other is not an undergraduate.

2. Specialized education is mainly undertaken by higher vocational colleges, and some undergraduate colleges also offer specialized courses. No degree will be awarded to a junior college, but a diploma will be awarded after graduation. Both higher vocational colleges and junior colleges belong to the junior college level of general higher education. The former focuses on technology, while the latter focuses on theory, with different emphases and no essential difference. The training objectives of the two are unified.

3. The students in the three colleges do not have the learning ability and theoretical knowledge of traditional students, but they have a little undergraduate learning ability and practical ability. Compared with those enterprises that need ordinary employees at the grass-roots level, students from three ordinary colleges are more popular than students from traditional undergraduate colleges and junior colleges.