Nack
abbr. 否定应答（Negative Acknowledgement）
🗣️ 情景例句
I don't believe in cyber romance.
我不相信网络情缘。
Happy is the man that owes nothing.
无债一身轻。
So how can I help you ? asked the detective.
那么我怎样才能帮你呢？侦探问。