He dabbled in screenwriting, acting, and producing.他涉足了编剧、表演和制作。
It has been said by teachers of screenwriting that there are only three plots.编剧老师曾说过，一共只有三种情节。
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He taught screenwriting at the University of Southern California for many years.
More than a dozen of Crichton's novels became movies, and he turned his hand to directing, screenwriting, and producing for film and television along the way.