which has four features
它有四个特点
以上为机器翻译结果，长、整句建议使用 人工翻译 。
The list of too-late devices at CES goes on: Samsung has launched four of its own e-reading gadgets, at least one of which features a panel of buttons that emerged sleekly from the bottom of the device.
FORBES: Magazine Article
应用推荐
模块上移
模块下移
不移动