AE表达式全面讲解英文PDF文档 After Effects – The Power of Expression Book全面介绍AE的表达式，没有漏过任何一点，十分详细，英文PDF文档，推荐有兴趣的同学研究学习An easy and global approach to learning everything you have to know about using expressions in Adobe After Effects! Available as a beautiful hardcover book or downloadable eBook.