谁能告诉我这句话是什么意思--关于英语----

谁能告诉我这句话是什么意思--关于英语----原文：I’d like to describe my favorite song,picture postcards from LA.Of course,LA stands for Los Angeles,a city best known for entertainment industry on the West coast of America.This song is about an average-looking waitress who always dreams about becoming a superstar in Hollywood.> The melody of this song really calms me down,very peaceful and the lyrics are totally touching其中的she shares her dream with the singer of this song,她跟这首歌曲的歌手分享了这个自己的梦?然后要一封明信片?这是什么话呢?