https://www.fxphd.com/fxphd/courseDetails.php?idCourse=196
AE CS3及以上版本的脚本教程，很少见的教程，涉及到编程，注意，这个不是教你写表达式。
This course, taught by Lloyd Alvarez, will provide an introduction to the main scripting tools available in Adobe After Effects versions CS3 and above
