大家好，我是孙嘉，来自河南省南阳市，我的兴趣广泛，很高兴加入bmb大家庭，希望能和大家一起交流学习，共同进步。

Hello everyone, I am Sun Jia, from Nanyang City, Henan Province. I have a wide range of interests. I am very happy to join the bmb family. I hope to communicate with you and make progress together.