Stock royalty-free photos and images of 講義

Microphone over the blurred business people forum Meeting Conference Training Learning Coaching Concept, Blurred background.

Close up of microphone in front of empty chairs in conference room

Microphone over the Abstract blurred photo of conference hall or seminar room with attendee background

Blurred background of business people in conference hall or seminar room, business people concept.

Microphone over the Abstract blurred photo of conference hall or seminar room with attendee background

Microphone close up on Blurred many people seminar Meeting room business big hall Conference background

Close up of microphone on a podium in an auditorium

Abstract blurred people lecture in seminar room, education concept

Rostrum with microphone and computer in conference hall

I have a question. Group of business people sitting at the chairs in conference hall. Businessman standing up asking a question. Conference and Presentation. Business and Entrepreneurship.

Microphone over the blurred business people forum Meeting Conference Training Learning Coaching Concept, Blurred background

Rostrum with microphone and computer in conference hall

Microphone voice speaker in school lecture hall, seminar meeting room or educational business conference event for host, teacher or coaching mentor

Microphone over the blurred forum Meeting Conference Training Learning or Coaching Room Concept, Blurred background

Speaker at Business Conference with Public Presentations. Audience at the conference hall. Business and Entrepreneurship concept. Background blur. Shallow depth of field.

Preparing of conference room with table and chair in university for study.

A microphone in empty classroom close up

Microphone for speech set on a stand at an indoor event venue

Blurred background of business people in conference hall or seminar room, business people concept.

Blurred view, crowd join ceremony in big hall.

Microphone over the blurred business people forum Meeting Conference Training Learning Coaching Concept, Blurred background

Blur of business Conference and Presentation in the conference hall.

Microphone and tecgnology laptopn on the table over the Abstract blurred photo of conference hall or seminar room with audience background, education and learning concept

Blurred focus , Business education training conference hall or room seminar meeting

Blurred background of business people in conference hall or seminar room, business people concept.

Business and entrepreneurship symposium. Speaker giving a talk at business meeting. Audience in conference hall. Rear view of unrecognized participant in audience.

The microphone on the stage in front of the hall. Performance on stage. Rack for performances.

Microphone wireless in a meeting room seminar conference background: Select focus with shallow depth of field.

Rostrum with microphone and ipad in conference hall

Microphone over the Abstract blurred photo of conference hall or seminar room with attendee background, Business meeting concept

Blue Lecture chairs in a class room

Rostrum with microphone and computer in conference hall

Microphones and monitors at conference hall during business conference or seminar.Closeup. Business concept, startup business concept.

Blurred background of business people in conference hall or seminar room, business people concept.

Interior of empty conference hall with blue velvet chairs.

Audience in the conference hall sitting and listening to speaker

Blur of business Conference and Presentation in the conference hall.

Vintage tone blurred image of empty auditorium room for background usage.

Blurred background, business Meeting Conference Training Learning Coaching Concept.

Microphone over the blurred business people forum Meeting Conference Training Learning Coaching Concept with Stock market or forex trading graph.

Young male speaker in suit with headset giving a talk at business meeting. Audience listening at conference hall. Selective focus. Horizontal shot

Audience at the conference hall

Blurred background of business people in conference hall or seminar room.

Blurry of group of people in big hall convention center

Female hands holding pen and notebook, making notes at conference lecture. Event participants in conference hall

Education concept, Abstract blurred background image of students and business people studying and discuss in large hall profession seminar with screen and projector for showing information.

Big conference room full of empty seats

Abstract blurred photo of conference hall or seminar room with attendee background

Microphone wireless in a meeting room seminar conference background: Select focus with shallow depth of field.

Red lecture chairs in an empty classroom