Complex sentence: Sadly the US market is ignored and overlooked once again, which is especially disappointing to those who prefer real 3-door hatchbacks, Audi of America has not announced any plans to import the S3.
Split into simpler sentences: Sadly the US market is ignored and overlooked once again, which is especially disheartening to those who prefer real 3-door hatchbacks. Disappointingly, Audi of America has not announced any plans to import the S3.