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  • Student and teacher writing on chalkboard

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  • Student or pupil calculating math formula

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  • Dozentin unterrichtet Mathematik

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  • Dozentin und Studentin an der Tafel

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  • Junger Student sitzt im Unterricht im Hörsaal

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  • Lehrerin mit Studentin an Tafel in der Universität

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  • Dozentin und Student im Mathematik Unterricht

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  • Student beantwortet Frage im Unterricht

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  • Vorlesung im Hörsaal einer Universität

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  • Frau als Dozent im Mathematik Unterricht

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  • Speakers handshaking on stage at business event in auditorium

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  • Woman as lecturer teaches students class

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  • Girls raising hand during lecture in class

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  • Dedicated male and female employees working together while using laptops and tablet PC at workplace

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  • Studenten und Dozentin im Unterricht

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  • Students raising hand during lecture in classroom

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  • Älterer Geschäftsmann bei einer Präsentation

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  • Gruppe Geschäftsleute als Publikum

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  • Man in audience discussing with orator at business event

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  • Math teacher in class with chalkboard

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  • Orator asking audience during in business event at auditorium

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  • Man in audience asking question to speaker at business event

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  • Schoolkids standing in row doing choir rehearsal

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  • Fleißiger Student meldet sich

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  • Audience sitting in front of panel at convention center

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  • Frau als Mathelehrer steht an der Tafel

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  • Woman in audience asking question to speaker at business event

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  • Audience sitting in front of panel during business seminar

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  • Geschäftsfrau bei Präsentation mit Publikum

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  • Studenten in einer Vorlesung in der Uni

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  • Online meeting with video conference from the business team

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  • Erwachsenenbildung Seminar als Hintergrund Header

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  • Frau als Lehrer unterrichtet in einer Schule

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  • Teacher pointing at girl in classroom

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  • Studenten in einer Uni Vorlesung im Hörsaal

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  • Gruppe Studenten ist unkonzentriert

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  • Audience asking question to speaker at business conference event

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  • Man in audience discussing with speaker at business event

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  • Professionals asking questions to orator at business conference

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  • Orator asking audience during business conference in auditorium

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  • Lehrer und Schüler

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  • Geschäftsleute mit Tablet in einer Seminar Pause

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  • Professional Speaker Engaging with Audience during Interactive Seminar Discussion at Business Conference Event

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  • Teacher talking with schoolkids sitting on bench

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  • Dozent an der Tafel in der Uni

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  • Audience sitting in front of panel during business event

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  • Lehrerin stellt Fragen an Schüler in einer Klasse

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  • Frau als Referent und Geschäftsleute

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  • Student antwortet auf eine Frage

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  • Junge Business Frau bei einer Präsentation am Whiteboard

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  • Audience sitting in front of panel at conference event

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  • Dozent in einer Schulung für junge Geschäftsleute

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  • Schoolgirl having fun while studying in class

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  • Business Meeting mit online Videokonferenz im Büro

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  • Teacher looking at book held by student in classroom

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  • Zwei Ärzte hinter Theke

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  • Studenten im Workshop lernen im Team

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  • Studenten im Computer Seminar der Uni

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  • Mädchen malen im Kindergarten

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  • Business Leute und Referent nach Vortrag in einer Diskussion

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  • Dozentin in einer Mathematik Vorlesung

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  • Junger Medizin Student in einer Vorlesung

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  • Professional speaker conducting a presentation for an engaged audience in a conference

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  • Group of children as a pupil in front of blackboard in school

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