An office salesman in elegant suit working on a scientific project with the help of a laptop concept
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- 大图:4406 × 2488 像素·37.3 cm × 21.07 cm·300dpi·JPG
- 中图:1000 × 565 像素·35.28 cm × 19.93 cm·72dpi·JPG
- 小图:500 × 282 像素·17.64 cm × 9.95 cm·72dpi·JPG