The expression 'sole difference' is correct and usable in written English.
You can use it when you want to emphasize that there is only one difference between two things. For example: "The sole difference between the two books is the main character's name."
The sole difference between the two passes concerns the global reaction time in the depressive group.
The sole difference between these deaths is that only with the former do we already know it's a crime.
The sole difference, which is the difference between a child's reality and an adult's, was that they were no longer laden with meaning.
I challenged readers to devise a test that would isolate megapixels as the sole difference between the test photos — without involving Photoshop.
The sole difference would be that political parties would have an additional option when it came to deciding how best communicate their message.
The sole difference is that the doppelgänger has no consciousness; this – as opposed to a groaning, blood-spattered walking corpse from a movie – is what philosophers mean by a "zombie".
(They were probably not aware that the sole difference is how far Mrs. Washington dips her ladle into the jug and whether she stirs, to loosen the pepper sediment).
The sole difference between the groups was that the probe of a 1.06-μm continuous wave laser emitted 204mW/cm2 (12.24J/cm2) for the treated subjects and was inactive for the control subjects.
"The exiled Iraqis are the exact replica of those who currently govern us… with the sole difference that the latter are already satiated since they have been robbing us for the past 30 years," he said.
However, applications to the combined program should in content and all other respects follow the norms of the regular doctoral application (the sole difference being that the applicant should specifically address in the statement-of-purpose why he/she is interested in the combined program).
What has happened to it, over half a century, is that its legion of admirers has not essentially displaced the claims of its early detractors; both proceed on the assumption that Frank was severely critical, and the sole difference between the two schools is that the modern fans accept the criticism as thoroughly deserved.
