The phrase "a model of existence" is correct and usable in written English.
It can be used to describe a theoretical framework or example that illustrates how existence can be understood or interpreted.
Example: "In her philosophical essay, she presented a model of existence that challenged traditional views of reality."
Alternatives: "a framework for existence" or "a paradigm of existence".
Haifa is commonly portrayed as a model of co-existence between Arabs and Jews, although tensions and hostility do still exist.
Thugs mugged the city's Arab deputy mayor, Suhail Asaad, who was watching the event with a young son.Haifa, hitherto a model of co-existence, no longer looks so exemplary.
In the 1980s he starred in a children's theatre set up in Jenin by an Israeli peace activist, which became a model of co-existence.But one by one his fellow actors saw their friends killed and arrested, took up arms and died or were locked up.
The kingdom, which previously prided itself on being a model of peaceful co-existence between its religious communities and having a welcoming business environment, has found itself sharply and dangerously polarised between Sunni and Shia.
Last week in Haifa, a city usually presented as a model of liberal co-existence, an anti-war rally was attacked by 700 people carrying weapons.
Even though canine mammary tumours may be a model of human breast cancer, the existence of the same carcinoma molecular subtypes in women awaits confirmation.
Nothing did: on Wednesday and Thursday night, Wolverhampton and West Bromwich stayed quiet – decidedly tense, perhaps, but back to that pained model of existence, where life plods on, and the outside world takes no notice.
Trump's choice of phrase seems mostly to be part of his program to reverse the protocols of his predecessor, whose existence as a model of elegance in office continues to be a source of irritation for him.
The country's gigantic oil wealth has taken the society from a simple, predominantly desert existence to a model of affluent consumerism in the space of a few decades.
