How does Jack understand the food of moon cakes?

This reader is China Cuisine. Jack is a foreigner. He doesn't know the traditional culture of China. Jack played a lot of jokes because he didn't understand the traditional culture of China.

In Jack's mind, moon cakes are just like ordinary cakes, and they are only eaten once a month. In this case, there are also many foreign friends' views on moon cakes. They all think that the fillings in moon cakes are rich and sweet, and there are various kinds of moon cakes.