我怎么觉得CS5 extended包括了everything呢，请看第二行

Thank you for your interest in evaluating Adobe® Photoshop® CS5 Extended software. This application includes everything in Photoshop CS5 plus features for working with 3D imagery and motion-based content. The trial version is fully functional and offers every feature of the product for you to test-drive.

我也糊涂了，不敢肯定。