地道英语对话：Laundry Room Rules and Hours(2)

（单词翻译）

A: Does every floor have a laundry room?
B: Each hallway has a laundry room located near the stairway.
A: Are they open for use around the clock?
B: The laundry room near the recreation center is open twenty-four hours a day. The rest have posted hours.
A: Do I need to bring coins with me?
B: The washers and dryers¹ require correct change, but there is a change machine in the laundry room.
A: Are there any detergent² dispensers in the laundry room?
B: Yes, but they are expensive.
A: Are there any specific rules about doing laundry?
B: Yes, you are only supposed to tie up three machines at a time for your own use, so that the other machines are available for other tenants³.