He published a treatise that he had written earlier on grammar, inventing his own system for the understanding and the learning of the Latin language.

发表了一篇他之前写的关于语法的论文，在这篇论文中他创建了自己的一套理解和学习,拉丁文的体系。

耶鲁公开课 - 弥尔顿课程节选

I mean also studies, of course, and your senior essay, but it's, they are looking at the next step.

我是说当然还有学习，还有四年级的论文，但是他们看的是将来。

来自西班牙的留学生 - SpeakingMax英语口语达人