floor:
all the rooms,etc on the same level in a building; level of storey of a building
story(storey)
section of a building with rooms all at the same level; floor
意思基本上是一样的,区别的话,story 可以用来形容整座楼的高度,
如,a five - story building,一座五层的楼
而floor不可以
在具体指楼层上没区别