Why do the trim is an underground car park entrance is bad

Underground parking entrance, looks like an open mouth, is the way to the place or gas, if the house is at the entrance, will cause type were leaked in the home, adverse to the fortune;And car to car in the parking lot, will cause the changing of the peripheral airflow, the home will be difficult to get together gas, the family is not easy to grow in his career.In this case, need to find ways to resolve.And more than five layer building, it doesn't matter.