Three meals a day.
Three meals a day is absolutely necessary. Average 30 yuan for three meals a day and 900 yuan for one month, and then buy some fruits and snacks. The expenditure for eating by moonlight is already 1080 yuan.
Mobile phone bill/network fee expenditure
Mobile phone bill is a necessary expense, calculated at 60 pounds per month. Pull a broadband 20 yuan with my roommate in the dormitory, so that the telephone bill+internet fee expenditure is 80 yuan.
Expenditure on daily necessities
Daily necessities must be purchased at an average monthly rate of 100 yuan. Transportation expenses such as public transportation and subway inevitably accumulate monthly daily necessities expenditure of 180 yuan.