Cordless phones allow you to move around freely while talking. 话讲话自移动。
// There's a potential market for cordless and mobile phones in China and the world as a whole. /乃至界绳话移动话市场潜都很。
cordless [ adj ] not having a cord <adj.pert> cordless telephone
cordless \cordless\ adj. 1. operating without a wire connection to the companion communicating unit; -- of telephones and other devices using e.g. radio or infrared signals to allow communication between devices without a direct wire link; as, cordless telephones have a very restricted range compared with cellular phones. [PJC]
2. using a battery as a source of power; -- of tools which usually use line current for power; as, cordless electric drills are very convenient for use outdoors; cordless razors make shaving while travelling easy. [PJC]