来源: pexels.com
![a man standing in front of a whiteboard covered in post it notes, an album cover, unsplash, academic art, markings on his face, background image, man is with black skin, in a school classroom](https://imagef.promeai.pro/immerse-static/pexels/2024/05/03/377c5f0b618448c9af391b222d837797.jpeg?width=2351&height=1567&fit=contain&format=webp)
a man standing in front of a whiteboard covered in post it notes, an album cover, unsplash, academic art, markings on his face, background image, man is with black skin, in a school classroom
来源: pexels.com
来源: pexels.com
来源: pexels.com