The refusal to universalize the principle is not the only evidence that it is not a public-spirited economic plan but merely a device for subsidizing a special interest.

• 政府不肯将等位价格原则普遍应用于所有的产品，足以证明它并不是一种为着公共利益而谋经济计划，它仅仅是补贴特殊利益集团的一种手段。