Complex sentence: Liverpool covers an area of 313 km²; though most of this is still agricultural land, the Liverpool CBD has become the major commercial center of south-west Sydney, as it includes many shopping centers and high-rise office buildings.
Split into simpler sentences: Liverpool covers an area of; though most of this is still agricultural land. The Liverpool CBD has become the major commercial centre of south-west Sydney, as it includes many shopping centers and high-rise office buildings.