agreement 
英 [əˈɡriːmənt]  美 [əˈgrimənt] 
n. 同意；协议；一致

例句：
Surely marriage is an agreement between two people? 

婚姻肯定是两个人之间的协议了？

By the end of the call we came to an agreement. 

在通话结束前我们达成了协议。

It looks as though an agreement has now been reached. 

看来现在似乎达成了协议。

All parties should be issued with a copy of the agreement. 

应该给各方都发一份协约副本。

The two countries signed an agreement in 1988 to jointly launch and develop satellites. 

两国在1988年签署了一份联合发射和开发卫星的协定。