The phrase "a key difference from" is correct and usable in written English.
It can be used when comparing two or more items, highlighting a significant distinction between them.
Example: "One key difference from traditional methods is the use of technology to streamline processes."
Alternatives: "a major distinction from" or "a significant contrast with".
By persuading its members to kill themselves in their attacks—a key difference from an earlier Islamist strike against the World Trade Centre, in 1993 Mr bin Laden and his lieutenants increased their effectiveness, and the group's cultish allure.
The two ethyl ester moieties of 2 do not allow the pyridyl nitrogen to participate in any intermolecular interactions, a key difference from 1, resulting in a different packing motif that forces the Br atoms to be oriented toward each other and producing the alternating chain of Br atoms.
"A key difference from earlier times of command is the available amount of information and the demand on time that presents," Admiral Fallon said.
The world's two biggest emitters, China and the US, are both supportive of a deal in Paris – a key difference from the last big climate summit in 2009, when China was seen by many as a wrecker.
But a key difference from Clinton's summer fellowship, one former Obama staffer said, was that Obama's fleet of fellows consisted of college students or recent graduates with little if any campaign experience.
This is a key difference from previous generations of entrepreneurs.
This is a key difference given expectations can differ from the macroeconomic data by anticipating events or intensified disturbances occurred in an economy.
Through dozens of nerve biopsies, they did discover a key difference in AMAN from traditional GBS in that the attack focuses on the nerve axon, rather than the surrounding myelin.
As stated, this is a key difference of REDOXS from all other GLN trials.
Furthermore, our model also highlights the importance of receptor degradation in normal EGF signalling, and suggests that receptor degradation is a key difference between the signalling from different growth factor receptors - specifically the EGF and NGF receptors.
Furthermore, our model also highlights the importance of receptor degradation in normal and cancerous EGFR signalling, and suggests that receptor degradation is a key difference between the signalling from the EGF and Nerve Growth Factor (NGF) receptors.
