The phrase "a vital difference is" is correct and usable in written English.
You can use it when you want to highlight an important distinction between two or more subjects.
Example: "When comparing the two theories, a vital difference is their approach to problem-solving."
Alternatives: "a significant distinction is" or "a crucial difference is".
I'm hardly courting controversy by asserting that a vital difference was the marketing and brand management.
The colleague said: "But you know what the vital difference is you haven't done anything yourself or from your number.
Mr Nixson said: "But you know what the vital difference is you haven't done anything yourself or from your number.
It's as though, like some symbolic safe-cracker, he were running through all possible combinations and all modulations of the world's image-bank; or, like some ancient gnostic monk or rabbi, reeling off the mutating names of God in an incantatory votive list with neither origin nor end – the vital difference being that Richter's universe is godless.
In the rolls of the dead of September 11, all these vital differences were surrendered to the impact and flash.
But there's a vital difference: reading Faulkner, I'm struck with the exhilarating awareness that immense questions are working themselves out right before my eyes; reading Martin, it's all too evident that commonplaces, worked out already and elsewhere, are being drafted in, or soldered on, to lend philosophical gravitas to what is, at base, a quite straight-up, noirish moral potboiler.
There's a vital difference between a democratic revolution which is peaceful, authentic and generated by people inside a country and one that is imposed, or kick-started, by a military invasion and occupation.
Let's be clear: there is a vital difference between what I call passive and active vulnerability.
"There's a vital difference," says Patty Azzarello, "between working hard and succeeding". One of the perks of being a business writer is you get tons of free books from publishers.
Tom Viita, senior UK political adviser at Christian Aid, said: "Aid is making a vital difference to millions of people around the world who are caught up in an unprecedented number of humanitarian crises.
