外事的英文：
foreign affairs

foreign是什么意思：
adj. 外国的；不属于本身的；无关的；外交的；陌生的

In the UK, there are the Foreign Office and Foreign Secretary.
在英国，有外交部和外交大臣。

custom of foreign trade.
对外贸易惯例

The guidebook is for the accommodation of foreign tuorists.
这份指南是为了方便外国游客而准备的。

The foreign market was increasingly crucial.
国外市场越来越重要了。

Deception was foreign to his nature.
欺骗和他的本性格格不入。

affairs是什么意思：
n. 事务；事件；风流韵事

You have to investigate into this affair.
你必须调查研究这件事。

The affair had a strange sequel.
这一事件的结局很奇怪。

A committee was constituted to investigate into that affair.
建立了一个委员会以调查那件事。

They hired agents to conduct their affairs.
他们雇请代理人来处理他们的事务。

I was to be in a cleft stick at this affair.
我在这件事上进退维谷。