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Palabras clave
businessman,
communication,
conversation,
business,
presentation,
marketing,
employee,
workshop,
teaching,
aged,
aged,
middle-aged,
teacher,
teacher,
presentation,
training,
smile,
lecturer,
address,
meeting,
office,
corporation,
market,
version,
insurance,
suit,
success,
achievement,
meeting,
vector,
instructor,
scientist,
doctor,
pointer,
exposition,
doctor,
doctor,
hospital
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