Glücklicher, schöner Lehrer, der auf Smartphone mit leerem Bildschirm zeigt, während er neben der Tafel steht - Stockfoto & -bild

Happy teacher in eyeglasses pointing at smartphone with blank screen near chalkboard

Cheerful teacher in eyeglasses holding smartphone with blank screen near chalkboard

Skeptical teacher showing forbidding gesture while holding smartphone with blank screen near chalkboard

Happy, attractive teacher showing smartphone with blank screen while standing near chalkboard

Young woman holding out a cellphone in her hand

Happy, attractive teacher pointing with finger at smartphone with blank screen near chalkboard

Beautiful young woman in glasses holding smart phone against gray background.

Beautiful smiling woman with tied hands with metal chain holding smartphone on yellow background

Woman sticking tongue out while showing thumb down and smartphone with blank screen, isolated on blue

Excited woman showing win gesture while looking at mobile phone on grey background

Cheerful asian girl in glasses pointing with finger at smartphone with blank screen on blue

Cheerful woman looking at camera while holding cellphone with blank screen on grey background

Excited woman holding smartphone with blank screen, isolated on blue

Cropped view of smiling woman showing thumb up and smartphone with blank screen, isolated on blue

Selective focus of cheerful businesswoman showing thumb up and holding smartphone with blank screen on grey