1. But while the Internet primarily moves words, the information superhighway will soon make routine the electronic transmission of data in other formats, such as audio files and images.
    但是，互联网主要是传送文字，而信息高速公路不久将使其他形式的电子数据传送（如声音资料和图像的传送）成为常规。

2. I am interested in audio frequency amplifier.
    我对音频放大器感兴趣。