——英文中常见简单礼貌用语
Excuse me !
Appellation Terms

问候用语 ( Greeting Terms )
Hello! /Hi! Nice to meet you !      Nice to meet you, too !3. How are you ? I’m fine, thanks.4. How do you do? – How do you do?5. Good morning.  Good afternoon.  Good evening.  Good night !6. See you !7. Goodbye! /Bye-bye!