He prefers natural foods.

This wood may spontaneously combust if the humidity is high.

His car spontaneously combusted all of a sudden.

Natural rights are rights that humans have from birth.

The Laozi Tao Te Ching is one of the ancient Chinese philosophies, explaining the basic teachings of Taoism.

He always proactively suggests new ideas.

He is good at solving trigonometry problems.

This library adopts its own classification method.

He surprised people by using magic.

Understanding patent law is important for protecting new inventions.