亚马逊以20英的价格出售便携式充电器, 比平时的价位下降. Amazon sells a portable charger for £20, down from its usual price.

亚马逊正在以20英的价格出售便携式充电器, 比平时的价位低. Amazon is selling a portable charger for just £20, down from its usual price. 这笔交易的特点是, 紧而强大的设备不会持续很长时间. This deal features a compact and powerful device that won't last long.