McDonald's is a chain of fast food restaurants. In McDonald's you can quickly eat. In restaurant have: Burgers, drinks, potatoes, desserts and many other fast food dishes. The restaurant is very good value for money and kachetva for a little money you can very hearty eat. But also restaurants have bad sides, for example, if there is a lot to eat, you can get fat and start a bad habit to eat only there. Therefore, you need to know the measure.
Как-то так, удачи!