Indeed, the one subject in the Sheffield study who had had doctoral-level training in a mathematical science did no better than the others in arithmetic, but he outperformed them at algebra.

• 的确，雪菲尔研究的其中一位受试者，拥有博士程度的数学科学训练，虽然在算术上并没有比其他人好，但在代数方面则表现突出。