Usages of со
После урока он спокойно разговаривает со студентами в коридоре.
After the lesson he calmly talks with the students in the corridor.
В этом магазине всё продаётся со скидкой.
In this store, everything is sold with a discount.
Elon.io is an online learning platform
We have an entire course teaching Russian grammar and vocabulary.