参考答案：我们大多数人相信竞争是有益的，公平的竞争通常会促进生产效率，更努力地提高产品质量，以及降低产品销售价格。

解析：[听力原文]
Most of us tend to believe that competition is good, and that competition fairly handled can generally stimulate more efficiency in production, greater efforts to improve products and lower prices for consumers.