The phrase "a big expense in" is correct and usable in written English.
It can be used when discussing significant costs associated with a particular area, project, or activity.
Example: "The renovation of the old building turned out to be a big expense in our budget this year."
Alternatives: "a significant cost in" or "a major expenditure in".
But setting up a state-owned oil firm is a big expense in itself.
He helps her navigate health insurance decisions, something she calls "a big issue for me because I'm on several medications, which creates a big expense". In addition to providing healthcare advice, Eldan offers a much-needed sounding board.
Debris removal is a big expense in the first year, and then it often takes several more years to rebuild infrastructure and develop post-disaster hazard mitigation, he noted.
That's a big expense in an industry made up primarily of small businesses, according to the United Motorcoach Assn.
Although splashing out can seem like a big expense, Dr Dimitrios Tsivrikos, an expert in business psychology at University College London, says celebrating Christmas could reap dividends in the longer term.
Reluctantly, I decided to sublet my apartment for a few months and move in with Randy, a big expense off my plate while I tried to make a serious go of a freelance career.
The other big expense in a securities case is retaining the services of an "expert witness" to analyze the account and testify on technical matters.
Back in New Orleans, Donaldson watched chefs successfully attempt pop-up restaurants, but also face big expenses in order to open physical spaces.
The biggest expense in buying a new computer is not always the computer.
The biggest expense in running a newspaper business are employees who account for almost half of industry costs, followed by newsprint, which takes around 10%.
The single biggest expense in becoming a billionaire and what the Great Unwashed consistently overlook is the yacht.
