Description：1. The room is clean and hygienic
2. The location is safe, and personal and property must be guaranteed
3. The room should be ventilated and soundproofed
4. There is a fridge and washing machine
5. There is an elevator
6. Don't top and first floors
My preference：1. It is close to KCL, and can be reached within 20 minutes by foot or subway
2. There is a supermarket around, which is convenient for life
3. The surrounding environment is safe, not too dirty and messy
