vs
QUICK ANSWER
"Carecer" is an intransitive verb which is often translated as "to lack", and "hay que" is a phrase which is often translated as "one must". Learn more about the difference between "carecer" and "hay que" below.
carecer(
kah
-
reh
-
sehr
)An intransitive verb is one that does not require a direct object (e.g., The man sneezed.).
a. to lack
Carecen de los medios necesarios para enviar a su hijo a la universidad.They lack the necessary means to send their son to college.
b. to not have
El hombre quedó detenido porque carecía de la documentación necesaria para ingresar al país.The man was arrested because he didn't have the documents needed to go into the country.
hay que(
ay
keh
)A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
b. no direct translation
This refers to an idiomatic word or phrase for which there is no word-for-word translation.
Hay que llenar la solicitud a mano.The application must be filled out by hand.
Hay que trabajar mucho para ser exitoso.You have to work hard to be successful.