line telephone短语¹⁴⁴⁹⁷²⁺² 基本例句 有线电话 Low penetration of fixed- line telephone and already vibrant mobile value-added services mean that for many EM users and SMEs, the Internet will be mobile. 较低的固定电话普及率和颇具活力的移动增值服务意味着，对于诸多 EM用户以及中小企业，互联网只会朝着移动的方向发展。 douban