1、 Do you believe that there's a connection between smoking and heart disease?你相信吸烟与心脏病有关系吗？
2、 The company has connections with a number of Japanese firms、这家公司与几家日本商号有业务往来。
3、 She is a connection of mine、她是我的一个亲戚。
4、 There is no connection between them、他们之间没有什么关系。
5、 The television isn't working， is there a loose connection?电视机坏了，有没有哪一点接线不紧？