The phrase "mark a difference" is correct and usable in written English.
It is typically used to describe the ability to recognize the distinction between two things. For example, "The experienced teacher was able to mark a difference between students who genuinely didn't understand the material and those who were simply not paying attention."
Projects in this mode are born of the original human postulate to claim a place in the world, to confirm having been there, to make and mark a difference.
In this respect, the First Amendment has something in common with the Second Amendment, which secures the right to "keep and bear arms": both are unusually broad legal guarantees that mark a difference between America and the rest of the world.
The first is that although the threshold of age does serve to mark a difference within the class of human beings it is being human as such which is important.
Our cytogenetic analyses mark a difference to earlier reports.
Kafka may have marked a difference between sleeping and waking, but did Krzhizhanovsky?
This marks a difference between Trump and his fellow member of the fractional one per cent, Mitt Romney.
This marks a difference, Arnold said, from what we know about many eminent achievers, who tend to evince an early passion for a particular field.
It marks a difference between British and American literature from the start that the New World's founding figure is a woman.
Marking a difference from traditional post physical-design static voltage drop analysis, a priori dynamic voltage drop evaluation is the focus of this work.
It marks a difference from a PwC report back in January, in which climate change ranked so low on the risk of chief executives' list of concerns that it didn't even make the survey.
This marks a difference between cyprinids and salmonids, showing that knowledge of cyprinid migration routes can help fisheries managers develop improved, more permeable, barriers and less selective fish pass facilities.
