他与这家公司的长期联系始于实习生时期。

His long ___association with the company began as an intern.

这项研究探讨了睡眠模式与工作效率之间的联系。

The study explores the ___association between sleep patterns and productivity.

这道菜与家庭庆祝活动有着强烈的文化关联。

There is a strong cultural ___association between this dish and family celebrations.