最近，北京的这座电子市场并不景气。这是一家多层商场，布满出售各种设备的摊位，计算器、硬盘、监控摄像机、智能手机，不一而足。
The recent scene at the electronics market in Beijing a multistory mall crowded with stalls of vendors selling everything from calculators and hard drives to surveillance cameras and smartphones was not encouraging .
硬盘摄像机