✔ 最佳答案
There are three themes of this movie.
1. The Importance of Friendship
2. The Power of Self-Sacrifice
3. Trust
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The Director of this movie is David Yates. (he is also the director of the fifth film, Harry Potter and the Order of the Phoenix)
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I'm not sure what you are asking. but i guess you want to know the orgin of this story. <<Harry Porter>> this story is based on the novel by J. K. Rowling.
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P.S. It should be <<Harry Potter and the Half-Blood Prince>>