Deadband
n. 无控制作用区，死区
🗣️ 情景例句
I have a complaint for you.
我有点不满意的事要跟你谈谈。
He falls down the stairs.
他从楼梯摔了下来。
a ticklish business which is achieved with the aid of two tame elephants roped to the captive on either side.
这是一件棘手的事，需要在它两侧拴上两头驯服的大象才能完成。