1. In terms of teachers, Hunan's industrial majors are relatively comprehensive and have the background of teacher training. Suzhou University has many majors, but its comprehensive strength is average, while the teaching level of Shanghai University is average.

2. From the environmental point of view, Hunan University of Technology is in the suburbs with good air quality, while Suzhou University is in the business circle with noisy and uncertain environment. Shanghai University is next to the industrial zone, which has serious environmental pollution.