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| Russian | English |
| ранее считалось, что | be originally believed to be (+ past participle: The curious formations were originally believed to be found only in Africa's Namib Desert until scientists discovered a patch of the rings in a particularly arid part of Australia.  coasttocoastam.com ART Vancouver) |
| сложная ситуация, ранее остававшаяся незаметной | can of worms |