negotiation
英 [nɪˌɡəʊʃiˈeɪʃn]   美 [nɪˌɡoʊʃiˈeɪʃn]  
n.
谈判;磋商;协商

例句：
This was one of the major sticking points in the negotiations. 

这是谈判中主要的难点之一。

We should not exclude the possibility of negotiation. 

我们不应该排除谈判的可能性

The agreement came after several hours of negotiations. 

协议经过几小时的谈判后才达成。

The price is generally open to negotiation. 

一般来讲，价格可以商量。

The issue is still under negotiation. 

这个问题还在商讨之中。