In Chinese astronomy, 氐 means 'root'.

The fall of the economy is affecting the lives of the people.

He was dispatched to scout the enemy's position.

He was sent to scout the enemy's position.

This theorem forms the foundation of mathematics.

I proposed a new project.

God is watching over us.

Tomorrow's party is already planned.

The telecommunications company temporarily ceased operation of waves for maintenance.

The telecommunications company announced the ceasing operation of waves.