What are the main customs of countries around the world?

Singaporeans pay attention to etiquette and seldom show their sense of humor in public. When communicating with Singaporeans, don't involve political and religious issues. Saudis are very polite. When they meet, they first say hello and say "hello", then shake hands and say "good health". When talking with a Saudi Arabian, don't praise what he has, or he will give it to you immediately. It is very impolite not to accept it. Germans are reserved, diligent, quiet, efficient and rigorous, and are considered almost rigid. When talking with Germans, it is more appropriate to choose topics such as rural scenery, cars and sports, while topics such as religion and party struggle should be avoided. Russians are famous for their enthusiasm and generosity, strong organization and discipline, and like to act in unison. When talking with Russians, we should avoid political contradictions, economic problems, religious contradictions and ethnic disputes. Finns are introverted, low-key and tenacious, and resolutely safeguard their traditional culture. Finns are used to keeping a certain distance when talking to others. Czechs pay attention to manners and manners and hate frivolous people. They like talking about sports, but they don't like talking about political issues and family chores. Americans are open-minded, frank and sincere, enthusiastic and confident, and do things neatly. When talking with Americans, sports, business operations and family life are appropriate topics. Mexicans are warm, friendly and easy-going. When talking with Mexicans, it is appropriate to choose the topic of Mexico's long history, culture and art, and it is not appropriate to talk too much about immigration and other issues. Due to the differences of national conditions, nationalities and regions, the national customs and social features of African countries are very different. For example, Egyptians are honest, warm and hospitable, and are proud of their ancient civilization. When talking with them, we should avoid the topic of Middle East politics. South Africa is economically developed and ethnically divided. When talking with South Africans, race and social policy are inappropriate topics, while sports, natural scenery, mineral resources and other topics are more appropriate. There are many ethnic groups in China, and there are great differences in diet, clothing and taboos. As far as diet is concerned, Tibetans mainly eat beef and mutton and like to drink highland barley wine, butter tea and milk tea. Mongolians like to eat milk and meat, and roast whole sheep has a long reputation; Korean food pays attention to festivals, and dishes have nourishing and medical functions. In dress, cheongsam is a typical dress of Manchu women. After the Manchu entered the customs, it developed into the traditional dress of women in China. There are more than 130 kinds of Miao costumes, which are world-famous ... * * * has built a rich and colorful costume culture in China. In addition, many ethnic groups have their own taboos. For example, Hui people avoid eating pork, saying "kill", "slaughter", "fat", "strong", "meat" and "vegetables"; Koreans are taboo to be called "fresh people"; Wait a minute. Respecting the religious and cultural customs of all ethnic groups is conducive to better exchanges between all ethnic groups.