Zion dual-mode gesture recommendation: which gesture is the most scientific?

Thumb-up: This is the most commonly used gesture of praise and approval in China, which means "good", "wonderful", "great", "absolutely", "best" and "reaching the top". In Nigeria, when guests come, they should extend their thumbs to express their greetings to friends far away. In Japan, this gesture means "man" and "your father". In Korea, it means "head", "father", "minister" and "captain". In the United States, Mexico, the Netherlands, Sri Lanka and other countries, this gesture means praying for good luck; In the United States and India; France, on the other hand, sticks out its thumb horizontally when blocking a ride to show that it wants to take a ride. In Indonesia, give me your thumb. But in Australia, thumbs-up is a rude gesture.

Thumb down: quite a few countries and regions in the world use this gesture, but the meaning is not the same. In China, thumbs down mean "down" and "below". In Britain, the United States and the Philippines, thumbs down means "unacceptable". The meaning of "disagree" and "end", or "the other party lost" Mexicans and French people use this gesture to mean "useless", "dead" or "bad luck". In Thailand, Myanmar, Philippines, Malaysia and Indonesia, thumbs down means "failure". In Australia, this gesture is used to express ridicule and ridicule. In Tunisia, the thumb goes down, which means "pour water" and "stop".

Hold up your forefinger: Many nationalities in the world use this gesture, but the meaning is different. China people hold up their forefinger to indicate numbers, which can refer to integers such as "one" or "ten", "one hundred" and "one thousand". In Japan, Korea, Philippines, Sri Lanka, Indonesia, Saudi Arabia, Mexico and other countries, the index finger only means one (secondary) meaning. In America, you should use this gesture when you ask the other person to wait. In France, only when a student raises his index finger in class will the teacher ask him to answer questions. In Singapore, when talking, you extend your index finger to show that what you are talking about is the most important thing. In Myanmar, this gesture is used when asking for help or something from others. In Australia, in bars and restaurants, the index finger sticks up, indicating "please give me a beer". In Mexico, Myanmar, Japan and Malaysia, this gesture means the first in order. In the Middle East, it is impolite to point at people with your index finger.

Put up the middle finger: the Romans called the middle finger "frivolous finger" for more than 2000 years. In fact, the gesture of holding out the middle finger alone is not a good thing in most countries in the world, and is generally used to express "disapproval", "dissatisfaction" or "curse". In the United States, Australia and Tunisia, this gesture means "engage in that kind of relationship", which is an insult. In France, it means dirty behavior. In Saudi Arabia, it means bad behavior. In Singapore, it means insulting behavior. In the Philippines, it means curse, anger, hatred and contempt. In China, it means that the other party is talking nonsense or insulting the other party. However, in Myanmar and Nigeria, extending the middle finger means "one" and in Tunisia means "middle".