用户享受的在线云音乐服务只提供在线听歌，但并不能下载文件。

Users could listen to songs they have uploaded to the service in a "streaming" mode, but will not be able to download the files.

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从而使人们利用手机实现在线听歌，有效地突破了在线听歌的空间限制。

So people can make use of mobile phone to realize online listening music, it is an effective way to break through online listening music of space constraints.

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