Supplement:
Snacks are a kind of food with specific styles and characteristics in taste, which can be used as an ornament between banquets and as a staple food for breakfast and dinner. There are all kinds of snacks with distinctive features and unique flavors all over the world. Snacks made of local materials can highlight the local material and social life, which is an indispensable feature of a region and the main target of homesickness for homeless people. Modern people usually don't eat snacks to satisfy their hunger. Besides satisfying their desires, they can also learn about local customs by tasting snacks with different local flavors. Some people can't eat too much because of small appetite or illness, and three meals are not enough to provide necessary nutrition, so they need to eat some extra snacks after meals. Snacks generally have a low starting point and low price, and most people can afford them.