The microphone on the stage before debate.
Palabras clave
debate,
microphone,
conference,
presentation,
speaking,
business,
meeting,
room,
speech,
speaker,
education,
people,
workshop,
small,
concept,
school,
background,
digital,
making,
smartphone,
filming,
public,
event,
forum,
blue,
classroom,
lecture,
camera,
entrepreneurship,
white,
audience,
seminar,
convention,
empty,
information,
study,
training,
university,
talk,
cognition,
sing,
teaching,
voice,
educator,
election,
auditorium,
flag,
technology,
banner,
detail
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