来源: pexels.com
![a man standing next to a boy in front of a blackboard, by Jang Seung-eop, pexels contest winner, danube school, giving the thumbs up, lee griggs and jason chan, 15081959 21121991 01012000 4k, wearing medium - sized glasses](https://imagef.promeai.pro/immerse-static/pexels/2024/05/03/26ff2cd8ab0944e5a4d8b0b5101e46b5.jpeg?width=2351&height=1567&fit=contain&format=webp)
a man standing next to a boy in front of a blackboard, by Jang Seung-eop, pexels contest winner, danube school, giving the thumbs up, lee griggs and jason chan, 15081959 21121991 01012000 4k, wearing medium - sized glasses
来源: pexels.com