vs
QUICK ANSWER
"If not" is a phrase which is often translated as "si no", and "unless" is a conjunction which is often translated as "a menos que". Learn more about the difference between "if not" and "unless" below.
unless(
uhn
-
lehs
)A conjunction is a word that connects words, phrases, clauses, or sentences (e.g., The cat and the dog slept.).
1. (except)
a. a menos que
It is not possible to understand binary unless you have studied it.Es imposible entender binario a menos que lo hayas estudiado.
b. a no ser que
Unless you arrive early in the morning, the wait for breakfast can be about an hour.A no ser que llegues temprano por la mañana, la fila para el desayuno será aproximadamente de una hora.
