But before taking a look at the new object system in Glib 2.0, we need to address a more fundamental issue — what exactly is an "object system" and why does it exist?

但是在研究Glib 2.0中的这个新对象系统之前，我们需要解决一个更为基本的问题-“对象系统”到底是什么以及它为何存在？