Portrait of serious business man in library. Handsome business man in office. Business man giving classes. Office business.
Palabras clave
business,
man,
businessman,
laptop,
online,
class,
concept,
course,
student,
literature,
tutor,
teaching,
explain,
educational,
course,
lecture,
intelligent,
instructing,
classmate,
teacher,
desk,
faculty,
model,
educator,
classroom,
young,
caucasian,
learning,
studying,
clever,
male,
lesson,
chat,
computer,
exam,
education,
college,
conference,
teacher,
portrait,
zoom,
learn,
tutorial,
call,
school,
office,
e-learning,
smart
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