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"Mas" is a form of "mas", a conjunction which is often translated as "but". "Una vez más" is a phrase which is often translated as "once again". Learn more about the difference between "mas" and "una vez más" below.
mas(
mahs
)
A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
conjunction
1.
A word or phrase restricted in usage to literature or established writing (e.g., sex, once upon a time).
(literary)
(contrasting)
a. but
Soy un caballero valiente, mas no soy agresivo.I am a valiant knight, but I am not aggressive.
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una vez más(
oo
-
nah
 
behs
 
mahs
)
A phrase is a group of words commonly used together (e.g., once upon a time).
phrase
a. once again
Aquí estamos, una vez más, enfrentados a una crisis económica provocada por el manejo ineficiente de la economía.Here we are, once again, facing an economic crises caused by an inefficient management of the economy.
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