The phrase "a substantial margin to" is correct and usable in written English.
It can be used when discussing the difference or gap between two quantities, often in contexts like finance, competition, or performance metrics.
Example: "The company achieved a substantial margin to its competitors, securing its position as the market leader."
Alternatives: "a significant gap to" or "a considerable lead over".
The likelihood remains that Congress will vote by a substantial margin to give Mr Bush the war resolution he wants.
After a bitter campaign, she defeated Republican Rick Lazio by a substantial margin to become the first first lady to win elective office.
If he is perceived as winning the debate, and the jobs number misses by a substantial margin to the upside (meaning that more than about 180,000 jobs are created), Mr. Romney's position could become extremely desperate.
Four leading senators, including Joseph Lieberman and John McCain, immediately introduced the new bipartisan resolution into the Senate.The likelihood remains that Congress will vote by a substantial margin to give Mr Bush the war resolution he wantsThe momentum is now with the president, and there is little doubt that Republicans will line up behind him.
"You need a pretty substantial margin to make this a profitable venture," he said.
We underestimated Obama support in Hawaii by a substantial margin, enough to degrade the overall performance of the point predictions.
With nearly all the ballots counted by Wednesday morning, Prime Minister Benjamin Netanyahu's conservative Likud party outpolled the center-left Zionist Union by a substantial margin, positioning Netanyahu to assemble a governing coalition.
The training "improved my P.B.'s by a substantial margin," he said, referring to personal bests, his best performances.
Proposals by Tory MP Nadine Dorries to strip abortion providers of their current counselling role were defeated in the House of Commons by a substantial margin of 368 votes to 118.
If you've missed a university offer by a substantial margin, you might want to consider finding a different course through Clearing, or embarking on a foundation degree as a route into higher education.
It is very possible that Hillary Clinton will be elected president by a substantial margin, return the Senate to Democratic control, name Supreme Court justices who will create a liberal court for a generation and help elect enough Democrats to the House to have a working majority in Congress for history-making progressive achievements, beginning with her first 100 days in the White House.
