What does "But we’d better take the subway to Thirty-third Street." mean in English for Spanish?

In English for Spanish, "But we’d better take the subway to Thirty-third Street." means:

Pero mejor que tomemos el metro hasta la calle 33.

Listen to "But we’d better take the subway to Thirty-third Street.": (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 4