Not when you have food allergies that can put your life in danger

题目

Not when you have food allergies that can put your life in danger
为什么前面有Not?

答案

按照你所给的句子结构和语义表达看,这个句子应该是【强调结构的省略句,并用了否定式】.其完整结构结构应该是：（It's ）【Not when you have food allergies被强调部分】 that can put your life in danger.句意为：...