1 . 当今电影在我们娱乐生活中起着不可或缺的作用，每个人都有自己最喜欢的电影，不同人对成就一部优秀电影的要素有不同观点。请你以“Key elements of a great film”为题写一篇短文，内容主要包括：
1.关键要素；
2.你的理由。
注意：标题、开头和结尾都已给，请完成中间部分，根据要素的多少，写两段、三段或四段，字数80词左右。

Key elements of a great film

Nowadays films play an important role in our life. And every great film must involve many key elements. Opinions about them vary among people. Below are my ideas about key elements of a great film.

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Of course, there are many other elements leading to a great film. Anyway an outstanding film must come from its inner shining elements. What about your idea?