non-existent

音标发音

But they are non-existent if we give up before we have started.
但是，如果我们开始前就放弃了，这些机会是不存在的。
In some cases, the corresponding IT Governance is non-existent or weak, and it is then necessary to do some of the governance work that should have already completed.
在某些情况下，相应的 IT 治理是不存在的，或者非常薄弱，那么就有必要进行一些本应该已经完成的治理工作。
The only problem with this solution is that, occasionally, autocreating non-existent subdirectories is exactly the wrong thing to do.
这个解决方案唯一的问题就是，有时，自动创建不存在的子目录真是最不应该做的事情。

Many victims live in areas with poor or non-existent health care systems and where antivenom treatments are often not available.
"GAVI's goal over the next five years, by twenty-fifteen, is to immunize millions more children and save an additional four million children's lives, purely by providing basic vaccines against diseases that are basically almost non-existent in rich countries, as well as providing new vaccines against pneumonia,diarrheal diseases and then hopefully HPV and some other vaccine-preventable diseases."
As far as addiction goes, start looking more,again, at some of the treatment opportunities,options, because they seem to be largely non-existent right now."

But androgen receptors were found to be nearly non-existent in the brains of newborn animals.
ECONOMIST: Behaviour of the sexes

Something that is non-existent does not exist or is not present in a particular place.