功能上增加了Back Up to Disc（备份到光盘），此项功能可以简单地将iTunes的数据库备份为CD或者DVD。而Cover Flow功能则能使您浏览数字文件像翻阅CD一样便捷。
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You should try to use the fastest disc you have for this kind of data and also regularly back up and delete the entries in this table.
您应该尝试使用速度较快的磁盘用于此类数据的保存，并且有经常性地备份和删除该表格中的记录。
The tempo gradually slows down and speeds back up, and the end of the first track almost brings the disc to a halt.
拍子渐渐慢下，速度减慢，第一首乐曲的近尾处几乎来了次暂停。
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