In a three-star hotel, the price of a single room is 40 to 80 euros per person per night.

Two-star hotels, single rooms range from 30 to 60 euros per person per night.

Youth hostel, including three meals a day, about 28 euros per person per night.

Rent a room of about one month 15 square meters, and all kinds of expenses are included, ranging from 200 to 300 euros per month.

A month's public transportation, of course, is a monthly ticket for urban transportation, ranging from 30 to 100 euros (the farther away from waldorf, the more expensive it is).

Lunch is usually eaten in the company cafeteria, about 2 euros.

If you buy and cook your own breakfast and dinner, you need about 6 euros a day. If you go out to buy breakfast and dinner, you need to spend about 10 euros every day.

Such data should be enough for you to make an expense budget.