It is important to understand the basis of this problem.

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We need drastic reforms.

This is a fundamental problem.

We decided to take on the sponsorship of this event.

He loves Ppongjjak music.

He strongly criticized the idea of fundamentalism.

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

I have been to Berwick-upon-Tweed.

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.