El diccionario universal ruso-inglés

• It is intended for a full-text search and it significantly expands the possibilities of working with lexical items from the Russian glossary of LingvoUniversal. Contains usage examples, synonyms, and antonyms.

то

1. мест.

   what; that, this

2. союз

   (в таком случае) then; (часто не переводится || very often is not translated)