[2016/7/6 下午 09:08:53] C J: I was simply asking what you meant.
[2016/7/6 下午 09:09:14] C J: So are you asking me, "How should I greet a friend?"
[2016/7/6 下午 09:09:42] C J: and also, "is it common for people to call each other by name, despite not knowing each other?