一张合成照片，展示了一个认真的书呆子学生拿着书，准备作业，一个国际象棋棋子和一个想法，背景是彩色的 免版税库存图片 一张合成照片，展示了一个认真的书呆子学生拿着书，准备作业，一个国际象棋棋子和一个想法，背景是彩色的
Serious schoolboy in casualwear making notes during online lesson while sitting by desk front of laptop at home and listening to 免版税图库摄影 serious schoolboy in casualwear making notes during online lesson while sitting by desk front of laptop at home and listening to
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