Don't forget the power. Most USB hubs will draw electricity directly from your laptop to power any devices connected to it, but they obviously need to take up a port to do so. However, some hubs support USB Power Delivery (or USB-PD, sometimes marketed as “passthrough charging”) which allows you to plug a charger into one of the ports on the hub so you can keep charging your laptop while you plug in all your extra gadgets.
Фото: Majid Asgaripour / Reuters。体育直播对此有专业解读
，更多细节参见下载安装汽水音乐
咬定青山不放松，一张蓝图绘到底。，这一点在91视频中也有详细论述
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