关键帧可以在Prokhnevskiy通常的教程和课程中完成大部分工作，这些教程和课程都非常依赖于它们。

事实上，有一些表达式可以处理Ukramedia的After Effects SmartRekt脚本的一些功能。

涉及到关键帧的使用，SmartRekt脚本的使用

Keyframes handle the majority of the work in a break from Prokhnevskiy’s usual tutorials and courses which all rely heavily on them.

Well in truth there is a tiny bit of expressions that handle some of the functionality of Ukramedia’s SmartRekt script for After Effects.

If you don’t have or want to purchase the script, then you are destined for a few expressions to get the lower thirds going.