vs 

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"Comp." is an abbreviation which is often translated as "cf.", and "casi siempre" is a phrase which is often translated as "almost always". Learn more about the difference between "comp." and "casi siempre" below.
comp.(
kohmp
)
An abbreviation is the shortened form of a word or group of words (e.g., "UFO" = "unidentified flying object"; "p." = "page").
abbreviation
a. cf.
Este experimento se realizó en una ocasión anterior: comp. Jones & Harley, 2007.This experiment has been performed before: cf. Jones & Harley, 2007.
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casi siempre(
kah
-
see
 
syehm
-
preh
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. almost always
Los cuentos de hadas casi siempre empiezan con "Érase una vez".Fairytales almost always begin with "Once upon a time."
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