这句话用英语怎莫说？

书本知识:The literal knowledge, acknowledge是了解的意思.
比较怎么样的"比较"是副词,怎么能用 is compared to be 呢?一点也不挨边啊.

The literal acknowledge tends to be something abstact/abstruse,widespread/universal,while the reality/actuality (is) ever changing.
be ever changing,固定用语,变化多端,千变万化.

Book knowledge is very abstract and universal, and the reality of the ever-changing.

The literal acknowledge is compared to be nonfigurative, being provided with universality, while the reality differs in thousands ways.