In recent years, universities and colleges in China have been expanding their enrolment Therefore, more and more young people can have opportunities to receive higher education. However, the ever-expanding enrolment has caused some problems, such as the lack of teachers and educational facilities. What is your opinion about the expanding enrolment? Please base your writing on the following outline: 1. Give a description of the present situation. 2. Analyze the advantages and problems of this situation. 3. Talk about the significance of this situation and give your advice on how to solve the problems. In your essay, make full use of the information provided in the outline.