Man with beard and book. Idea and knowledge concept. Professor with thinking face. Teacher wears glasses and holds organizer. Textbook and pen in guys hands on blue background copy space
ID: 1174232863
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- 大图:6448 × 4320 像素·54.59 cm × 36.58 cm·300dpi·JPG
- 中图:1000 × 670 像素·35.28 cm × 23.64 cm·72dpi·JPG
- 小图:500 × 335 像素·17.64 cm × 11.82 cm·72dpi·JPG