随着电脑的普及网络的发达，网络提供的mp3以及其他格式的音频视频的免费下载，所以真正能花钱买的人不多。
參考答案:By the popularization of the computer and the developing of the internet, mp3 and audio or video file of other formats can be download freely from the internet. Therefore, few people spend money on buying them.