The charging standard of Shanghai Road Citizen Fitness Center in Jiaonan is to charge 20 yuan every time. You can enjoy the membership card fee for 20 times a month, and each time you charge 15 yuan, students can enjoy the discount of 10 yuan. In addition, you can enjoy the membership card fee of 100 yuan per month, and you only need to pay 10 yuan each time. The annual membership fee only needs to be paid to 50 yuan every month and 5 yuan every time.