1·In general, I recommend that you write pure functions whenever it is reasonable and resort to modifiers only if there is a compelling advantage.
总的来说,我还是建议你写纯函数,除非用修改器有特别显著的好处。
2·Geometry library. Procedural objects, modifiers, controllers, and utility plug-in use this library.
程序的对象,修改器,控制器,以及实用插件在使用这个库。