We need to solve the problem in the production environment.

He is traveling around the world as an ecologist.

He told me everything.

This programming language is said to be Turing complete.

His performance was perfect and without blemish.

In mathematics, a perfect number refers to a number where the sum of its divisors, excluding the number itself, equals the number.

He is immersed in the study of panmagic squares.

He is a perfectionist, and his approach to work is very strict.

I am very interested in natural science.

He is conducting research on natural phenomena.