Guotuo is generally understood as international trade. But in Beijing, there is a place called Guomao, which is a place name, as well as Guomao Bridge and Guomao Mall. Everyone is accustomed to calling it Guomao, and everyone understands it. As for the Guomao in Xiamen, maybe it’s a place name, I don’t know. In fact, there is nothing difficult to understand. It must be combined with the context. But it’s hard to say what the word Guomao means.