He declared his candidacy publicly.

The source of this river is at the top of the mountain.

It is important to find the root of this problem.

I have been to Suwon.

He was known as the foreteller of the village.

In Christianity, the act of Adam and Eve is considered the original sin of mankind.

The company's income has decreased.

Due to the impact of the coronavirus, our company experienced a significant decrease in income.

He carefully crossed the minefield.

Reducing energy consumption helps prevent global warming.