How to decorate the ceiling of the dining room and the living room with a difference of 10 cm

"Is it normal for the living room door to be five centimeters different from the ground floor?" I don't know what you're asking. Does it mean that the field outside the door of the living room is five centimeters lower than the living room?

Will the entrance door and the kitchen door be rushed if they are deviated by dozens of centimeters?

This situation is oblique, and it is not very good, it is easy to speak, consume money, and have back pain.

There is a small brick of ten centimeters in the middle of the balcony living room, and it is good to cover this small brick.

Kitchen curtains with bamboo and wood veneers.