Operatorless
a. (电话)自动的；无接线员的
🗣️ 情景例句
I'm afraid i have a complaint to make.
恐怕我要提点意见。
It's easy to fall into a trap, but hard to get out again.
堕入陷阱易，脱离陷阱难。
Hello. Is that Mr Brain?
喂，是布雷恩先生吗？