什么叫stream video/audio/music/content over the Internet
原版杂志上有句话,看不懂：The new music service,called Music Unlimited powered by Qriocity,will allow consumers to stream millions of songs over the Internet to their devices.
翻了字典,查到上面这个用法,但是没有中文翻译.还是不懂+_+.
而且,为什么要用over 而不是on作介词呢?