Is there a word or phrase that conveys that "this is a concept that you learn then discard once you become proficient"

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Music by Eric Matyas
https://www.soundimage.org
Track title: Switch On Looping

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Chapters
00:00 Is There A Word Or Phrase That Conveys That &Quot;This Is A Concept That You Learn Then Discard Once
01:26 Answer 1 Score 29
01:55 Answer 2 Score 26
02:14 Accepted Answer Score 26
03:18 Answer 4 Score 17
06:08 Answer 5 Score 15
06:47 Thank you

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Tags
#singlewordrequests #phraserequests

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