What are the main manners and 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 greet each other first, say "hello", then shake hands and say "good health". When talking with a Saudi Arabian, don't praise the things he has, or he will give them to you immediately, and it is very rude not to accept them. 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 the topic of religion and party struggle should be avoided. Russians are known for their enthusiasm and boldness, strong organizational discipline, and like to act in unison. When talking with Russians, political contradictions, economic problems, religious contradictions and ethnic disputes should be avoided. Finns are introverted, low-key, 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 to talk about sports, but they don't like to talk about political issues and family chores. Americans are open-minded, frank, sincere, enthusiastic and confident, and they 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 in national conditions, nationalities and regions, African countries have great differences in national customs and social features. For example, Egyptians are honest, warm and hospitable, and are proud of their ancient civilization. When talking with them, they should avoid the topic of Middle East politics. South Africa's economy is developed and its races are divided. When talking with South Africans, racial and social policies 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, dress 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. Mongolian people like to eat milk and meat, and roast whole sheep has a long reputation; Korean diet pays attention to festivals, and dishes have nourishing and medical functions. In dress, cheongsam is a typical dress of Manchu women. After Manchu entered the customs, it developed into a traditional dress of China women. There are more than 13 kinds of Miao costumes, which are well-known in the world ... * * * has built a colorful Chinese costume culture. In addition, many ethnic groups have their own taboos. For example, Hui people avoid eating pork, saying "kill", saying "slaughter", saying "fat", saying "strong", saying "meat" and saying "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 them.