However, because Apple USES closed, non-standard technology for its copy protection (known as Digital Rights Management), the growth is seen as limited.
然而，由于苹果公司采用了封闭的、非标准的技术来实施版权保护(被称为数字版权管理)，其成长性受到了局限。
However, because Apple USES closed, non-standard technology for its copy protection (known as Digital Rights Management), the growth is seen as limited.
然而，由于苹果公司采用了封闭的、非标准的技术来实施版权保护(被称为数字版权管理)，其成长性受到了局限。
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