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"Aduanas" is a form of "aduanar", a transitive verb which is often translated as "to present to customs". "Comercio exterior" is a noun which is often translated as "foreign trade". Learn more about the difference between "comercio exterior" and "aduanas" below.
el comercio exterior(
koh
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mehr
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syoh
ehks
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teh
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ryohr
)A masculine noun is used with masculine articles and adjectives (e.g., el hombre guapo, el sol amarillo).
1. (general)
a. foreign trade
El comercio exterior desempeña un papel importante en la economía del país, que exporta más de lo que importa.Foreign trade plays an important role in the economy of the country, that exports more than it imports.
aduanar
A transitive verb is a verb that requires a direct object (e.g., I bought a book.).
1. (general)
a. to present to customs
Los bienes a importar deben ser aduanados. Una vez pagados los derechos, podrán ser enviados a destino.The goods to be imported have to be presented to customs. Once the corresponding duties are paid, they will be sent to their destination.