Nack
abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
I'm too. I hope we can get together again.
是的。我们后会有期。
Can David foresee the end of the job work?
戴维能预知承揽工作的结果吗？
or, to be more accurate, we can think only a very little way outside,
我们只能稍微离开一点儿，