Thereis a close link between them.

它们之间有内在的密切的联系。

There is a close link between smoking and lung cancer.

吸烟和癌症密切有关。

Curriculum resources and curriculum have a very close link.

课程资源和课程有着非常紧密的联系。

But in fact, we continued to have that very close link with our mother.

但实际上，我们依旧和母亲有十分紧密的联系。

There is a very close link between the vestibular system and the motor system of the eyes.

此练习，在于内耳前庭系统与双眼运动系统之间有着紧密关联。