Nacks
(nack 的第三人称 -s形式) abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
Examinations are at hand.
考试在即。
It is better to be clothed in rags, than to be clothed with shame.
宁可穿破衣，不可蒙羞耻。
Yes. I have everything ready here.
是的。我把一切都准备好了。