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"El narrador" is a form of "narrador", a noun which is often translated as "narrator". "En este caso" is a phrase which is often translated as "in this case". Learn more about the difference between "en este caso" and "el narrador" below.
en este caso()
A phrase is a group of words commonly used together (e.g., once upon a time).
1. (general)
a. in this case
En este caso, tenemos que aplicar la regla de tres simple.In this case, we have to use the rule of three.
el narrador, la narradora()
This means that the noun can be masculine or feminine, depending on the gender of the noun it refers to (e.g., el doctor, la doctora).
