But the types of products that can be produced by only a few TARs, they must be high-end, and will get generous super-normal profit.
而那些只有个别技术先进区域才能生产的高端产品类别自然成为垄断产品，可以享受长期的正超额利润。
But the types of products that can be produced by only a few TARs, they must be high-end, and will get generous super-normal profit.
而那些只有个别技术先进区域才能生产的高端产品类别自然成为垄断产品，可以享受长期的正超额利润。
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