不存在的用英语怎么说？

不存在的

例句

• He spent his life chasing after shadows. 他用毕生精力追求不存在的东西。
• Such people do not exist. 这样的人是不存在的。
• There is no such things as unicorns. 麒麟是不存在的.
• He is always imagining dangers that don't exist. 他总是想着那些其实并不存在的危险.
• These numerical equalities would not exist if any ordinary engine cycle were reversed. 如果将任一普通热机的循环方向反向,那么以上这些相等数量是不存在的.
• In other words, null pointer values convey the notion of inexistent objects. 换句话说, 空指针值表达的意思是不存在的对象.
• There really is no such thing as a totally risk-free industry... 完全没有风险的行业是不存在的。