The job has a very steep 'learning curve'. [=there is a large amount that has to be learned quickly in order to do the job]
He founded a prestigious 'institution of higher learning'. [=a college or university]
They were people of good education and considerable/great 'learning'.
(..) A brain damaged choo-choo train? How wasted am I? I still don't get it. I'm the Doppler effect. Okay, if that's some sort of learning disability, I think it's very insensitive. Why don't you just tell people you're a zebra? Well, why don't you just tell people you're one of the seven dwarves? (..)2007 TvShow: The Big Bang Theory Title: The Middle Earth Paradigm Season: 1 Episode 6