Sub-controller的用法和樣例：
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.
在這種價位，衛星箱的鋼琴黑漆外觀看起來非常好，線控器給曲調的質量增添了華麗的氣息。 - 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.
使用時，只需輕輕一按遙控器或線控器按鈕，控制器即指揮電機在滑桿上左右運動，電機通過窗帘環驅動窗帘開閉。
