Grammar fix
a marked difference
a marked difference (noticeable/clear difference)
a very noticeable or obvious difference between two things, often used to emphasize contrast in formal or evaluative contexts.
Hear it in context
Notice where the phrase sounds natural.
There was a marked difference in her attitude after she returned from her trip abroad.
When comparing urban and rural lifestyles, there is often a marked difference in access to healthcare and educational opportunities.
Fix the pattern
One small grammar move makes it sound right.
Not: There's a marked difference of quality.
Say: There's a marked difference in quality.
'A difference IN [quality]'; 'between X and Y'.
Which sounds natural?
Tap the one a native speaker would say.
'Conspicuously perceptible' is jargon; 'a marked difference' is the set phrase.
Build natural chunks
Words that usually travel with it.
a marked difference in
- in
- between
- there's
- show