I contacted the police using a payphone.

She contacted her parents by international phone call.

Please leave a message on the answering machine.

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

We shared the progress of the project in a video conference.

He goes to school on foot every day.

This ancient proverb, 'know the other side and yourself, and you will not be in danger in a hundred battles', teaches us the importance of understanding ourselves and others.