新的商业模式包括音乐订阅服务：消费者每月支付5到10美元的费用，从而能够无限畅听在线音乐库中的歌曲，但是不能保存它们。
The latter include subscription services that, for a flat monthly fee of $5 to $10, give consumers unlimited access to an online library of songs that they can play but cannot keep.
新的商业模式包括音乐订阅服务：消费者每月支付5到10美元的费用，从而能够无限畅听在线音乐库中的歌曲，但是不能保存它们。
The latter include subscription services that, for a flat monthly fee of $5 to $10, give consumers unlimited access to an online library of songs that they can play but cannot keep.
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