Things like head movement and other strategies within the boxing ring which doesn't translate to a streetfight where I can get elbowed,kneed, kicked, taken down in the process.
A lot of that will translate if you're doing it properly
The things that don't translate directly (some ducks and leans) will if you adjust the movement a little more. I.e. stepping out while ducking under, so even if someone brings an attack straight down it'll miss your head.