He thinks that war is a necessary evil.

Do you understand the necessity of this project?

That information is unnecessary.

That information is completely unnecessary.

This library is said to have historical value.

This paint takes time to dry.

Learning about the history of Western Liao helps to understand the political situation in medieval Asia.

He lifted the big box with both hands.

This dish is quite spicy.

I often go shopping at the hypermarket on weekends.