它们也会欢迎针对苹果的激烈竞争，后者左右数字音乐市场已达十年。
They should also welcome strong competition for Apple, which has held sway over digital music for a decade.
美国司法部也正在调查苹果是否滥用在数字音乐市场的统治地位，以惩罚那些与标签像亚马逊对手做生意。
The Justice Department is also investigating whether Apple is abusing its dominance in the digital music market to punish labels that do business deals with rivals like Amazon.
诚然，有些人担心，这些新市场的主宰权有可能最后被苹果攫取，数字音乐就是现成的例子。
True, there are worries that Apple could end up wielding a lot of power in these new markets, as it already does in digital music.
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