Translation of umgangssprachlich

I left the smaller regions out. Do you think they are important? There are some terms that are specifically used in Ecuador. Let's leave it as it is now. Time will show us within a few days if we need them all or not.
It certainly is one of the reasons that a student from abroad is not as good in English as people who were born in America. This is an obstacle for all students and a challenge for the educational system.
Of course I understand the reasons. I live in Thun, which is not far from Bern, our capital city. How come your Spanish is so good? Have you ever been to Switzerland. You are most welcome.