A man with glasses stands in front of a chalkboard, presenting or teaching, A middle-aged man with glasses and a disheveled hairstyle, standing in front of a chalkboard filled with complex equations
Contributor: Iftikhar alam
ID : 811271784
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Keywords
man, middle-aged, goggles, standing, front, blackboard, presenting, teaching, educator, instructor, lecturer, academic, education, lesson, school, university, college, classroom, learning, writing, explaining, cognition, concept, studying, whiteboard, intelligent, prof, scholar, adult, smart, professional, caucasian, confident, serious, focused, lecture, presentation, seminar, conference, expertise, pensive, thoughtful, eyeglassRelated items
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