"ongoing existence" is a correct and usable phrase in written English.
For example, you could say, "The ongoing existence of our family is a testament to our strength."
When there is nothing to gain and much to lose from an ongoing existence?
Now, hoping to fund its ongoing existence, it will be left with just one.
And many of them find their homes and ongoing existence in New Jersey".
"The collateral damage done by this lack of transparency and the possible ongoing existence of the flaw is serious".
Black History Month simply ignores the ongoing existence of white supremacy and, paradoxically, acts as a pressure valve which allows it to continue.
One aspect of disability and employment that has come to the fore recently has been the challenges to the ongoing existence of segregated workshops, and the "sub-minimum wage" for disabled people that tends to accompany them.
In 1974, the Roman Catholic theologian Rosemary Ruether wrote that Christian seminarians were learning a religious history that "negates ongoing Jewish existence...
These systems are 'black-boxed' in such a way that we do not attend to them yet we draw on them for our ongoing everyday existence.
What if, rather than fighting to compete, or even competing at all, we instead fought to re-evaluate what is most central to the ongoing wellbeing and existence of humanity as such?
Particularly organ like liver, there is an ongoing controversy about existence of liver stem cells.
Humans have the cognitive ability to make and understand metaphors, and they create animal metaphors in order to cognitively model and represent other agents, including other humans, in our ongoing struggle for existence in a rapidly changing environment.
