Marco is a very nice person, he wait for us in flat in late evening （10 pm）. He prepare breakfast for us is in the fridge, and there are many dishes we could cook.
Besides, the room is quite nice and clean, and there is a washing machine for the clothes.
The place is also good, It takes 20 min walk from the metro station to the flat, and there is a tram 3 outside of the flat directly goes to Duomo. Besides, there is a carrefour 3 bus stops away, so the position is quite convenient.
The only disadvantages is there is no air-conditioner, maybe we stay the most hot day of Milan which is not normal （36 degree）, so it was really hot....
Anyway, it is a good experience！