我一点击你的贴就转到一另一个网页，上面写到：
A license is required to play this file
The file you are trying to play was ripped (copied) from an audio CD.
During the ripping process, the file was "protected." This limits the number of computers on which the file can be played.
To play the file on this computer, you must download a license (a process known as "license migration"). A license acts an electronic key that allows you to "unlock" a protected file and play it.
To download a license for this file, click Download License.