1、communicate

沟通;联系;交流

My natural mother has never communicated with me.

我的亲生母亲从未和我联系过。

Officials of the CIA depend heavily on electronic mail to communicate with each other.

中情局官员之间的联系在很大程度上依赖电子邮件。

传达;传递

They successfully communicate their knowledge to others.

他们成功地把知识传授给他人。

The results will be communicated to parents.

结果会通知父母。

沟通，交流(情感、想法等)

He was never good at communicating with the players.

他不善于和队员们进行沟通。

Family therapy showed us how to communicate with each other.

家庭疗法指导我们彼此之间的沟通交流。

2、go back

追溯到；回溯到

The feud with the Catholics goes back to the 11th century.

与天主教的夙怨可以追溯到11世纪。

Our association with him goes back four years.

我们同他的合作是从4年前开始的。

回到（过去）；回顾

If you go back to 1960, you'll find that very few jobs were being created.

如果回到1960年，你会发现工作机会寥寥无几。