It's first of all a depiction of an underworld, and so it provides Milton with an important Christian representation of a hell.

它首先是对地狱的一个描述，它为弥尔顿提供了,一个重要的基督教式的地狱的描绘。

耶鲁公开课 - 弥尔顿课程节选

Another kind of monoline insurance is health insurance company that merely insures people against health costs, and another important category is life insurance.

另一类单线保险公司是健康保险公司,它们专门为人们的医疗费用提供保险,另外一个重要的分类是人寿保险公司

耶鲁公开课 - 金融市场课程节选