 |
| Subject | English | Russian |
| busin. | open and sharing relationship | открытые и доверительные отношения |
| gen. | open relationship | свободные отношения (wikipedia.org StaceySkr) |
| sociol. | open the relationship | открыть отношения (открыть отношения для новых участников; пустить в свои отношения новые лица: After 7 years, she told me she wanted to open the relationship. Told me she decided she was poly and wanted to explore that side of her.  reddit.com Shabe) |