Close-up of a person's hand raised in the classroom, seeking attention from the speaker in front of a projector screen.
Schlüsselwörter
education,
student,
asking,
hand up,
classroom,
learning,
seminar,
presentation,
lecture,
question,
teacher,
training,
business,
meeting,
university,
college,
school,
adult,
corporate,
audience,
group,
people,
indoor,
backview,
success,
cognition,
career
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