Tomorrow's flight has been cancelled as planned.

Tomorrow's flight has been cancelled as planned.

He is an expert in ethology, and his research is highly regarded worldwide.

There are many shops lined up on the main street.

This street is always bustling because there are many people coming and going.

He likes to take a walk in the park at dusk.

Linear programming is a part of operations research and is used to find the optimal solution.

Paying the urban planning tax is a citizen's duty.

The United Nations Environment Programme is providing solutions to global environmental problems.

We should always remember the power of Kannon in difficult times.