Professional businessman giving a presentation with a tablet
A computer geek explains how to do something on a laptop to an elderly man in his modern home
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Primary school student listening to explanation of his female teacher standing with trumpet next to him during music lesson, classmates writing test in background
Diverse employees sitting around the table listening teacher receiving knowledge
Dynamic Office Collaboration: Diverse Team in Colorful Shirts
Caucasian male professor in standing and walking in front of students and giving lection. Man teacher explaining lesson subject in
Two doctors discussing treatment outcomes
Professional explanation
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A brunette girl in round and in a business uniform presents her idea on a stand while working in an office and business meeting at the table
Caucasian male professor writing math formulas on blackboard and explaining them to students in Man teaching mathematics at high school
Business people discussing data on screen
A gray-haired, middle-aged man Visualizes his plan with a glass board and a white marker
Caucasian male handsome student at University sitting at desk in front of teacher and asking question. Rear of professor speaking in front
Experienced professional leading conference room meeting with tablet.
Portrait of a young man sharing insights on camera. At home. Male blogger creating content for his blog. Video content creation. Explanation.
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A young man with curly hair stands against a bright blue background. He is wearing a white t-shirt and seems to be making a point or
A young man shares his thoughts in a city at night - closeup
Close up of old Spanish language book with laowa probe lens on slider, macro of text in the book. Paper closeup.
Young Medic Student Engaged in Chemistry Lesson with Professor
Close up of old Spanish language book with laowa probe lens on slider, macro of text in the book. Paper closeup.
A middle-aged man talks to a middle-aged woman who listens and nods on a bridge in a park - ends in closeup
Multiracial team of scientists investigating and analyzing solar eclipse and solar activity on big screen. Elements of this image furnished by NASA
Caucasian young male professor in speaking to students in auditorium and explaining material. University concept. Man teacher at high school
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Man Intently Explaining Something to Young Girl in Pink Beanie Inside Car
A young professional speaks to the camera, expressing frustration - green screen studio
Group of scientists investigating hurricane as consequence of global warming on earth. Elements of this image furnished by NASA
A man middle aged boss crosses arms over chest and looks angrily at the guilty subordinate. A businessman in incredulous closed pose holds
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Confident brunette guy with in a white shirt draws a graph on a stand during a presentation of his idea in a modern office
Portrait of young Caucasian male professor at University wearing and looking at camera. Students in auditorium on background. Man
The definition of Autism being bolded by a yellow marker
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Father and Daughter in Car: Man Explaining Something to Girl Holding Phone
Woman sitting in the beauty salon and having a conversation with a cosmetician
Asian teacher explains topic at English classes emotionally
Caucasian guy student at college sitting in front of profesor and asking question about topc of lesson. Back view of female teacher talking
A confident man with a gray beard and a blue uniform the doctor tells a young girl in a blue T-shirt about his ideas about her examination
Close up of Caucasian male professor standing and walking in front of students in college and talking to them while having lection
Over his shoulder a serious doctor with and a gray beard in a blue uniform tells brunette girls about his ideas about symptoms and diagnoses
Close up of Caucasian young man with beard sitting at lection in University, rising hand and asking question or anwering to
Asian teacher explains subject to schoolchildren in library
A elderly father and middle aged son sit together on a sofa and share a tablet dolly shot
Portrait of Caucasian happy male teacher in turning to camera and smiling joyfully at college. Portrait shot of man professor at Lecturer
Close up of handsome Caucasian young guy sitting at desk at University seminar and learning at laptop computer. Male student listening to
A young Caucasian woman talks to the camera with a smile in a street in an urban area - ends in closeup
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A confident stage director in a gray T-shirt comes on stage to explain to the actors how to play and move correctly on stage during
A young woman shares her thoughts in a park
Cheerful man smiling and explaining
Close up of female doctor which explaining x-ray scan for her colleagues during meeting in boardroom