We should cherish friends who share our values.

The utility value of this app is very high.

In Marxism, surplus value refers to the part of the value produced by workers, excluding the part necessary to maintain their own livelihood.

His ability is underestimated.

You should not underestimate his ability.

I think his abilities are overestimated.

He is overestimating his own abilities.

He has a very passive personality.

I have a deep interest in French literature.

She is a student in the department of literature.