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About 65% of the students are against the idea. They think vending machines’ running all the time will result in wasting a lot of energy. The city full of vending machines and empty cans are only to spoil the beauty of the scenery. What is worse, school students may buy cigarettes easily, but cigarettes do great harm to their health. On the other hand, 35% of the students think it is quite necessary to install some vending machines in the city. The machines keep working 24 hours a day, which brings convenience to the customers. People can get what they want everywhere at any time. Also, they don’t have to stand in line waiting to pay for only one can of coffee. Besides, vending machines do not take much space, so it doesn’t affect the appearance of the city at all. In fact, nothing is perfect, so it is wise to weigh advantages and disadvantages at the same time before making any decision.