The phrase "a really compelling reason" is correct and usable in written English.
It can be used when discussing a strong justification or motivation for a particular action or decision.
Example: "Before we proceed with the project, we need to establish a really compelling reason for the investment."
Alternatives: "a strong justification" or "a convincing rationale."
"They've been so clear and focused that in order for them to go into other markets, there had better be a really compelling reason," said Ross T. Nussbaum, a senior analyst at UBS. "For them to take on the risk, the investment returns have to be exceptional".
For Aibo to succeed, Sony needs to drop the price dramatically or give users a really compelling reason to be late on their rent.
John Kelly, Trump's pick to lead the Department of Homeland Security, said he did not support registering people based on "[ethnicity] or religion" and wouldn't implement a registry "unless there was some really compelling reason".
Homeland Security secretary pick and retired Marine Corps Gen. John Kelly told a Senate committee that he does not "agree with registering people based on [ethnicity] or religion or anything like that" and would not bring back a registry program "unless there was some really compelling reason".
But the really compelling reason to help Europe now is to set a precedent.
Meanwhile, the Atlantic City Alliance offers plenty of suggestions for things that business travellers and families can do once they get to Atlantic City — the Convention Hall, Gardner's Basin, the Film Festival — but none of them are really compelling reasons to go.
You also need a really compelling setting.
"We see a really compelling, complimentary set of capabilities".
It's a really compelling and useful experience," Mr. Freitas said.
"He's a really compelling film maker.
"This is a really compelling story," says Lisa Stowers, a neuroscientist at the Scripps Research Institute in San Diego, California.
