I think the landlord should be like this: I want to go to Shantou and prepare to bring some hamburgers for lunch. Because I have to go to the library in the morning, I am worried that there is no place to put hamburgers. I have two suggestions: 1, you put hamburgers in your bag and schoolbag, and don't take them out in the library. You can also go to the library after lunch. By the way, you need a smart card to enter the library of Shantou University.