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"Una vez" is a phrase which is often translated as "once", and "yo" is a pronoun which is often translated as "I". Learn more about the difference between "una vez" and "yo" below.
una vez(
oo
-
nah
behs
)A phrase is a group of words commonly used together (e.g., once upon a time).
yo(
yoh
)A pronoun is a word that stands in for a noun (e.g., she).
A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
3. (psychology)
