eso es

listen to the pronunciation of eso es
Spanisch - Englisch
that's the idea, that's right
that's

Nick can speak Portuguese very well. That's because he's been studying it for 5 years. - Nick es muy bueno hablando el portugués. Eso es porque lo ha estudiado por 5 años.

That's because you're a girl. - Eso es porque eres una chica.