C2082 Learn from Your Second Brother

Xiao Yongzhi took out a small box from behind and handed it to Old Madam Xiao.

Everyone was curious, what kind of gift could he give?

Old Madam Xiao took it and looked at it carefully, "What is this?"

Xiao Yongzhi scratched his head awkwardly and explained, "This thing is called a thermos. It is a must-have item in the homes of ordinary people. In winter, with it