Theseestimates are from an analysis of more than 20 different sources ofinformation, from very old (newspapers and books) to very new (portablecomputer games, satellite radio, and Internet video).
这些估计是从原先的20多个不同信息源的分析，很旧的（报纸，书籍）非常新（便携式电脑游戏，卫星广播和互联网视频）。
youdao