System has a friendly user interface appearance, and we can easily select files, just like play, pause, stop operations.
系统具有美观友好的操作界面，可方便地进行文件选择、播放、暂停、停止等操作。
System has a friendly user interface appearance, and we can easily select files, just like play, pause, stop operations.
系统具有美观友好的操作界面，可方便地进行文件选择、播放、暂停、停止等操作。
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