He values his private life.

He was born as an illegitimate child and experienced many difficulties.

My grandfather used to till his privately-owned rice field.

He holds a personal grudge against me.

Using the private railway makes commuting very convenient.

Dysprosium is one of the rare earth elements.

Suicide is never a solution.

We are aiming for self-sufficiency in food.

We are growing vegetables in our garden to be self-sufficient in food.

In this graph theory, it is important to calculate the outdegree of each node.