Tomorrow's flight has been cancelled as planned.

His thoughts were as we expected.

I am surprised by this unexpected event.

This was truly an unexpected result.

When I hear that song, old memories come to mind.

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

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.

This fish is completely farmed, and no capture is done in the natural environment.