You know, if you aren't already on the list,不知你是否受到了邀请

on the list在名册中, 在清单上

Your name comes before mine on the list.

名单上你的名字在我之前。

Who's next on the list?

名单上的下一个是谁?

You should drop in.你可以顺便来看看

drop in顺便走访(某人)

I dropped in on the Browns on my way home.

我在回家的路上顺便走访了布朗夫妇。

Would you drop in when you are in town?

你来城里就来玩好吗

May I introduce you to my friend--Nolan Ross?容我向你介绍一位朋友，诺兰·罗斯

introduce to将某人介绍给另一个人

Allow me to introduce Miss Wu to you.

允许我把吴小姐给您介绍。

Let me introduce you to my better half.

让我把您介绍给我妻子。