By extension we have our attempt as readers to arrive at an understanding of the first two books in general.

延伸开来，我们作为作者，试图,达成对这两卷书的大体上的理解。

耶鲁公开课 - 弥尔顿课程节选

The goldsmith would accept that as part of an extension of the business as a goldsmith, especially if the gold was in the form of coins and people didn't care whether they got the same coins back.

金匠会接受这个请求,作为金匠生意的衍生项目,尤其是,需要保存的是金币,人们不在乎,他们拿回的金币是不是原来送去的那些

耶鲁公开课 - 金融市场课程节选