1, probably used to buy some cleaning appliances, or simply decorate the classroom during the holiday, so that everyone can bathe in the festive atmosphere. After all, many times the expenses are very small, and it is unlikely that everyone will temporarily invest money in every activity, especially buying some odds and ends of school supplies. The quantity is very small, and it is not so convenient to make up temporarily.

2. Actually, the shift fee is normal. Generally speaking, the class fees in college classes are managed by the Life Committee, and every sum and expenditure are recorded in detail.