Every year, November 21 is World Hello Day. On this day, all you have to do is to say hello and give a good day greeting(问候) to at least ten people you meet! Of course this can be family and f, but be brave to strangers(陌生人). It started on November 21, 1973. The meaning(含义) behind it is : Say hello and stop war(战争).

    Shello to someone can make a lot of difference(不同). For example, a small thing la greeting can mean a lot to shy(含羞 ) people. Because they find it hard to t with people. A hello to a stranger is also a small thing, but through it we can make the w a better place.

    In China, people u say "Ni Hao." when they meet each other. How do people say hello to each other in English-speaking countries? You may have some i in your mind(头脑).   People usually say, "H are you?" You can answer, "I'm fine," "Very good, thank you," or "Not bad, thanks." You can also ask "And you?"

    In the UK, b good friends, they say, "You all right?" "I'm good. Any plans (计划) for the weekend?" People also say "How's it going? " B it's not a question. It just means hello. People often answer, "Good," or "Not bad." Another popular greeting is "Hey, boy." But it is usually among boys. Girls may say "Hey, g."

    In the world, people use at least 2,796 languages to say hello to each other.