relationship 
英 [rɪˈleɪʃənʃɪp]  美 [rɪˈleɪʃənˌʃɪp] 
n. 关系；人际关系；恋爱关系；血缘关系

例句：
There is no relationship between the two events. 

这两个事件之间没有联系。

a relationship between diet and cancer 

饮食和癌症之间的关系

What is the relationship between language and thought? 

语言和思维有什么联系？

We have a good relationship. 

我们关系很好。

He and his boss have always had a good working relationship. 

他与上司一直保持着良好的工作关系。