The phrase "a vast operating" is not complete and lacks context, making it difficult to determine its correctness in written English.
It could be used in contexts discussing large-scale operations or systems, but it needs additional information to clarify its meaning.
Example: "The company is known for a vast operating network that spans multiple countries."
Alternatives: "a large-scale operation" or "an extensive operation".
Tesco is a vast corporation operating in more than a dozen countries with half a million employees, and still making more than £3bn in profits annually.
Determinism, the philosophical doctrine that the universe is a vast machine operating with strict causality whose future is determined in all detail by its present state, is rooted in Newtonian mechanics, which obeys that principle.
Beyond the challenge of carving out his own identity after the de Montebello years, Mr. Campbell faces the task of maintaining the quality of the museum's programming and covering its vast operating expenses in the face of eroding corporate support.
Boeing says that competition has always been good for the business, and an Airbus spokesman describes it as "a natural ambition" for a country of China's size to make big jets.Besides, by the time the Chinese have their A320/737 rival ready, Boeing and Airbus will be selling their next-generation single-aisle planes which will deliver a vast improvement in operating economics.
The Kochs operate a vast political empire that mostly operates through nonprofit organizations that do not disclose their donations.
As well as more sophisticated fraud of this kind, a vast "submerged economy" operates out of sight of the authorities.
In 2009, the residents around Boeung Kak Lake in central Phnom Penh were forcibly evicted to make way for a vast luxury development operated by a joint venture involving a company owned by a senator.
When the clean-up of the World Trade Center began, the wreckage was taken to Fresh Kills Landfill, a vast waste dump operated on Staten Island, where workers untrained in forensic recovery searched for remains.
Mr. Madoff is accused of operating a vast Ponzi scheme.
The government has accused the billionaire founder with operating a vast network of sources that he tapped for information in pursuit of a trading edge.
