What does "You could start" mean in English for Spanish?

In English for Spanish, "You could start" means:

Podrías empezar

Listen to "You could start": (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 2, Scene 3