semiar conference concept hands holding businesspeople speech speaking with microphones seminar room talking for lecture |
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| navigate by keyword : audience audio auditorium background blur business center coaching communication concert congress convention corporate education entertainment equipment explaining gesturing group hall karaoke lecturer meeting mic mike music people podium presentation professional public record sing song sound speak speaker speaking speech stage stand table talk teach teaching train university voice workshop |
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| Semiar Conference Concept : hands holding businesspeople speech or speaking with microphones in seminar room, talking for lecture to audience university, Event light convention hall Background |
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