Importante y que exige pensarlo con cuidado.
Important and needing careful thought.
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See how the word “serio” is used in sentences
Este es un problema serio. — This is a serious problem.
Nada de esto es lo bastante serio como para retrasar el lanzamiento. — None of this is serious enough to delay the launch.
¿Es esto más serio que la queja de la semana pasada? — Is this more serious than last week's complaint?
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