routine greeting造句

The 911 operator picks up the call with a routine greeting:
He walked into Momentum's third-floor trading room and exchanged routine greetings with other traders and company employees.
During normal times, these messages are routine greetings ( " Happy birthday Aunt Mary " ) and keep the system well oiled and the operators trained so that everything works when needed.
It's difficult to find routine greeting in a sentence. 用routine greeting造句挺难的