translation.en: And they came up with a very good engineering solution, which was to spend six billion pounds building completely new tracks and knocking about 40 minutes off a three-and-half-hour journey time.
translation.zh: 他们想出了一个非常好的工程解决方案， 即花费60亿英镑 建造全新的轨道， 使三个半小时的旅程减少40分钟。