What does "for a few days" mean in English for Spanish?

In English for Spanish, "for a few days" means:

por unos días

Listen to "for a few days": (If you have an HTML5 enabled browser, you can listen to the native audio below)

This is a phrase that is used in the GamesForLanguage English for Spanish Language Game in the following scenes:

• English for Spanish 4, Level 1, Scene 5