Sub-controller的用法和样例：
例句
- The piano black finished satellites look stunning at this price point, and the wired controller adds even more panache to the air of quality.
在这种价位，卫星箱的钢琴黑漆外观看起来非常好，线控器给曲调的质量增添了华丽的气息。 - You can control the motor moving left and right on the curtain staff to drive the window curtain close or open eadily by pressing the button of the controller only.
使用时，只需轻轻一按遥控器或线控器按钮，控制器即指挥电机在滑杆上左右运动，电机通过窗帘环驱动窗帘开闭。
