1.copper cable 铜电缆
例句:For long distances, traditional copper cable will always be slower than using a fibre optic connection.
对于长距离线路，传统的铜线总是比光纤连接慢。
2.one in five 五分之一
例句:Last year, one in five boys left school without a qualification
去年，五分之一的男孩没有获得资格证书就离校了。
3.plan to 计划
例句:We will plan to rehabilitate the run-down neighborhood.
我们计划重建这个破落的街区。
4.taking steps to 采取措施
例句:They are taking steps to amplify their supply source.
他们正采取措施充实货源。
