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。
Then the writer analyzed the characteristics of code-switching with register theory and revealed the restrictive functions of this theory in code-switching.
第三步，作者运用语域理论分析语码转换的特点从而揭示这一理论在语码转换中的制约功能。
According to real option theory, restrictive competition guarantee is a kind of put option with certain values.
基于实物期权理论，限制竞争担保是一种看跌期权，具有一定价值。
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