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address a conference (a meeting, the congregation, etc., и т.д.) | |||
speak at a conference (In speaking at the 2012 Games for Change Festival, Newell said that the response to these efforts was praised by educators.) |
выступать на конференции: 1 צירופים, 1 נושאים |
דִיפּלוֹמָטִיָה | 1 |