• работать бесплатно – work for free
См. также: бесплатная библиотека, беспристрастность, беспроцентный кредит, бесцельная жизнь
They were giving the tickets away free of charge. (Wiktionary)
We got all our food for free, it was included in the contract. (Wiktionary)
After public figures including author Stephen King made clear they would not pay to provide content to Twitter, the company provided gratis check marks for some celebrities but not others. (Yahoo)
