"This language makes no relevant distinction between 'scientific' knowledge and 'technical' or 'other specialized' knowledge."
In some fields (e.g. evidence based medicine) the relevant distinctions are very explicit.
The relevant distinction in phonation of the plosives is described as stiff voice versus slack voice.
Reference to basic general, constitutional purposes can help generate the relevant distinctions.
Transaction costs seem like an especially relevant distinction here as well.
The boundaries of what constitutes a market and what doesn't are relevant distinctions to make in economic analysis.
This has led to attempts to find a relevant moral distinction between the two cases.
The only relevant distinction that remains is that some countries understand this, while others still refuse to acknowledge it'.
Here the relevant distinction is the one introduced at the Fontainebleau summit back in 1984.
Luckily, Lesh understood the relevant distinction too, so I wouldn't have to try to explain it.