english: The microbes in your mouth can freshen your breath, or not, and the key thing is that our personal ecosystems interact with ecosystems on everything we touch.
non_english: Mikrobi u vašim ustima mogu da vam osveže dah, ili ne, i ključno je to da  naši lični ekosistemi međusobno deluju sa ekosistemima svega što dodirnemo.