Their program for rebuilding the factory died on the vine because of the economic depression. 他们改建该厂的计划因经济萧条而胎死腹中。
But, the prospect of rebuilding existing cable plants for high-speed bidirectional communications and extending cable until it matches the reach of copper is a difficult challenge. 但是，把现有的电缆线路设备改建成适合高速双向通信延伸电缆直至与电话铜线相匹配是一个困难的挑战。
