make a fine distinction

When it comes to the question of whether and how to “treat” autism, many neurodiversity advocates try to make a fine distinction: Remedies that aim to relieve suffering are OK, but the idea of a “cure” is repellent.

Some people make a fine distinction between Vichy and the Nazis.�ED.

He was even more thoughtful, after that, but not quite so gloomy—if one cared enough for his moods to make a fine distinction.