短语讲解：
1. There are many things that would slow it down, like internet servers, routers and switches, optical transceivers or cable modems.
slow down(使)慢下来
例句：You have to slow down your car at the crossing.
在十字路口, 你得放慢速度。
2. The most important thing is to bring about the transformation from ADSL to FTTH or Fiber To The Home technology.
bring about引起
例句：Science has brought about many changes in our lives.
科学为我们生活带来很大变化。
3. Individual fiber connections for each home will largely reduce transmission congestion, thus allowing for much faster speed.
