Would "greetings" be a better word to greet someone anytime than the word "hello"? Let say I meet Mr. Jackson at 2pm and Mr. Anderson at 7pm. Would it be better to greet them as "Greetings Mr. ...
I'm a non-native English speaker and sometimes it's hard for me to pick up the right word in some situations. Could you, please, explain when it's better to use "goodbye" for ending a conversation, ...