Owning more than two cars is pure ostentation.拥有两辆以上汽车纯粹是炫耀。

my distaste for any ostentation我对任何形式的炫耀的厌恶

Consumers soon abandoned the excess and ostentation of the 1980s.消费者们很快摈弃了20世纪80年代铺张和炫耀的消费观。