Businessman holding a tablet pc with "E-learning" text on virtual screen. Business concept.
ID: 1902881926
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- 大图:5616 × 2179 像素·47.55 cm × 18.45 cm·300dpi·JPG
- 中图:1000 × 388 像素·35.28 cm × 13.69 cm·72dpi·JPG
- 小图:500 × 194 像素·17.64 cm × 6.84 cm·72dpi·JPG