1. Middle school and university students sought extra marks in college entrance and postgraduate exams, and some professors took it as a tool to obtain money.
2. Too much money has been spent on it, and the entrance fee is not for ordinary people.
3. This means they have to treat this issue seriously and raise more money by imposing entrance fees and commercializing the upkeep of the site.
4. When Li was about to take the entrance exam, she opted for a local university to save money.
5. He had cleaned the entrance to his apartment building, planted flowers and spent his own money on street improvements.