The food isn't fancy, but it's certainly an 'improvement over' what we're served at school.
His cooking needs 'improvement'. = There's still 'room for improvement' in his cooking.
The editor made some 'improvements' to/in the article before it was printed.
(..) Unchanged. Not a good sign he hasn't woken up. No. Pity. If there's no improvement soon, They're talking about changing his status To "minimally conscious." What does that mean? It means odds of recovering (..)2015 TvShow: Homeland Title: A False Glimmer Season: 5 Episode 12