There is nothing but air conditioning. This is an empty house.
2. Last year's 6,000th yen (about RMB 480 yuan)
3. Air conditioning and heating, completely OK, no need to buy other heating.
You don't have to pay for books. Many classes don't need books. The teacher will send you information.
Some of them have to be made by themselves.
5. Carry it with you at home and use it frequently.