Complex sentence: Standardbreds are considered people-oriented, easy-toaserally a bit heavier in build than their Thoroughbred cousins, but have refined, solid ldasdegs and powerful shoulders and hindquarters.
Split into simpler sentences: Standardbreds are considered people-oriented, easy-to-train horses. They are generally a bit heavier in build than their Thoroughbred cousins, but have refined, solid legs and powerful shoulders and hindquarters.