Some tech pioneers promote a new compact with workers which holds that companies owe them neither loyalty nor job security.

有些科技先锋企业提倡和员工达成一种新契约，认为公司既不需要提供归属感，也不需要提供工作保障。

关系代词which 指代a new compact；也就是说，a new compact 为先行词。

hold 表示“持有...观点/看法”，其主语未必一定是“人”，也可以是“物”。

又如：

Current thinking holds that obesity is more a medical than a psychological problem. 

现在的观点认为，肥胖更多的是医学问题而非心理问题。

来自柯林斯例句

But one theory holds that this superstition arises from a Christian belief in the Holy Trinity.

但有一种说法认为这个迷信源自三位一体的基督教信仰。

Researchers have a couple of explanations. One holds that people care more about relative wealth than absolute wealth. 

研究者有几种解释，一种解释认为比起绝对财富，人们更加关心相对财富。

The concept holds that uranium is leached by groundwater from tuffeceous rocks.  

该理论认为,来自凝灰岩的地下水淋蚀铀。

来自辞典例句