Nacks
(nack 的第三人称 -s形式) abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
The wedding dress. And something blue.
结婚礼服。蓝色的东西。
The people at the party were worried about Janet because no one was aware of where she had gone.
参加聚会的人们都为珍妮物担心，因为没人知道她去哪里了。
and to exercise such initiative as falls within their sphere,
在各自的工作范围内发挥主动性，