星级典句：

第一句：I'm going to visit friends.
我去拜访朋友。

A: What's the purpose of your trip?
你旅行的目的是什么？
B: I'm going to visit friends.
我去拜访朋友。
A: How long are you going to stay?
你打算待多久？
B: About 2 weeks.
大约两周。

第二句：For leisure/business.
我来消遣/出差。
A: Are you here for business or leisure?
你来这是出差还是消遣？
B: For business.
出差。

当移民官询问来访目的时，还可以说：

I am here on vacation. 我来休假。

I am here to attend a conference. 我来参加会议。或者说：I have come for sightseeing. 我是来观光的。