If the investigation uncovers anything, it wouldn't be the first time a telecom provider got into 、trouble over the broadband speeds it promised and delivered customers.
2017年6月四级真题（第二套）阅读 Section A
New York's Attorney General's office launched an investigation in the fall into whether or not Verizon, Cablevision and time Warner are delivering broadband that's as fast as the providers claim it is.
2017年6月四级真题（第二套）阅读 Section A
柯林斯高阶英汉双解学习词典释义
N-UNCOUNT
（电子信号的）宽频传输
Broadband is a method of sending many electronic messages at the same time, using a wide range of frequencies.
1. of or relating to or being a communications network in which the bandwidth can be divided and shared by multiple simultaneous signals (as for voice or data or video)
2. responding to or operating at a wide band of frequencies;