 |
| Subject | Russian | English |
| gen. | нечто редкое и очень ценное | unicorn (Something that is highly desirable but difficult to find or obtain. : ‘an album like this is something of a unicorn' Bullfinch) |
| gen. | очень и очень редкий | few and far between (Opportunities like this are few and far between.  cambridge.org Shabe) |