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"Retos" is a form of "reto", a noun which is often translated as "challenge". "Plantean" is a form of "plantear", a transitive verb which is often translated as "to suggest". Learn more about the difference between "retos" and "plantean" below.
el reto(
rreh
-
toh
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
plantear(
plahn
-
teh
-
ahr
)A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
1. (to propose)
a. to suggest
Juana le planteó a su esposo la idea de irse de vacaciones.Juana suggested to her husband that they take a vacation.
2. (to lay out)
a. to bring up
No debes plantearle el plan de esa manera.You shouldn't bring the plan up to him like that.
b. to set out
Gerardo planteó la situación como algo difícil, pero factible.Gerardo set out the situation as something difficult, but doable.
a. to create
El tratado podría plantear problemas para el país con sus aliados europeos.The treaty may create problems for the country with its European allies.
b. to pose
El cambio climático plantea una amenaza seria para las naciones insulares.Climate change poses a serious threat to island nations.
plantearse
A pronominal verb always uses a reflexive pronoun. (e.g., Te ves cansado.).
a. to consider
Es hora de plantearte lo que vas a estudiar en la universidad.It's time to consider what you are going to study in college.
b. to think about
Como cirujano, ¿te has planteado lo que harías si algo le pasara a tus manos?As a surgeon, have you thought about what you would do if something happened to your hands?
5. (to come up)
a. to arise
La cuestión de la irregularidad contable se seguirá planteando hasta no hacer una auditoría formal.The issue of irregular accounting will continue to arise until a formal audit is done.