How to use soft plastic coins in the subway? How did you feel the brakes?

When you enter the station, you can buy tickets at the automatic ticket vending machine. Click on the departure station and the terminal station, and the fare will be automatically calculated. Then you can throw coins or paper money and automatically issue tickets. The round plastic thing you are talking about is a subway ticket. Then brush it in the induction area of the gate when entering the station, and the fence of the gate will open; When you leave the station, put the subway ticket into the round hole and the gate will open. Don't throw in the pit! This is the case.