We made plans for the picnic next week.

Tomorrow's flight has been cancelled as planned.

Tomorrow's flight has been cancelled as planned.

He starts talking about himself at every opportunity, causing trouble for the people around him.

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.

He practiced the proverb 'to keep a secret when asked about it' in order to protect the secret.

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