What are the necessary items for travel?

1. On Ctrip's homepage, in the middle of the screen, click the words "open train tickets". As shown in figure 2. In the opened train ticket interface, you can see that there is a student ticket option on the left. Check it. As shown in figure 3. Then fill in the ticket purchase information, starting and ending stations, and travel time. As shown in figure 4. After checking the student ticket, the query at the bottom becomes the query of the student ticket. Click it. As shown in fig. 5. Select the train to take in the query, and then click Open. As shown in the figure. 6. In the details of the train number, you can see the tips of the student tickets above. Student tickets temporarily show full price. In fact, it is based on the successful seat occupation. Click on the reservation at the back. Complete the renderings.