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1·Some publishers warn that Apple's terms can be restrictive in other ways, and that a model that looks good in theory may not be as attractive in practice.

一些出版商性高说苹果的策略会存在局限性，一个理论上看起来不错的模式现实中未必那么有吸引力。

2·Based on cases appeared from the practice, the article is the research on restrictive behavior and regulations in licensing of intellectual property.

本文从已然发生的案例入手，分四个部分对知识产权许可协议限制竞争行为及其法律规制问题进行研究。