This is my original.

Understanding the original principle is important for solving problems.

He wrote the original plan for this movie.

I am studying Korean language.

Let's start the meeting according to Korea Standard Time.

He went to see a movie with his South Korean friend.

My friend goes to a Korean school.

He is majoring in Korean studies at university.

He believes in urban myths.

This urban infrastructure, especially the development of highways, contributes greatly to economic development.