The flexibility of Xapian is through the text basis of the index, while the front-end submission system translates the binary documents (PDF, Microsoft Word) into a text format.

Xapian 的灵活性是通过索引的文本本质实现的，而前端的提交系统会将二进制文档（PDF、Microsoft Word）转化成文本格式。

youdao

Okay, it could be a bit of a problem if this text has become the basis for a system of religious faith or belief, and your assumptions about it are that its telling a truth that is singular in nature.

如果这本书成为一些宗教信念系统的基本,那就有问题了,你会臆断，这本书上的都是真确的，都是非凡的。

耶鲁公开课 - 旧约导论课程节选

We can't possibly know what the author meant except on the basis of our determination of the meaning of the text, so why not just focus our attention to meaning on the text?

我们无法知道作者是什么意思,除非以我们对文本意思的分析为基础，因此，为什么不仅仅将我们的注意力,集中在文本的意思上呢？

耶鲁公开课 - 文学理论导论课程节选

The program detects the topic of a text and on that basis applies particular metrics to determine, say, if numbers are more important than descriptive words, and extracts critical sentences accordingly.

FORBES: Magazine Article

In NAMA, the basis of the draft text is a formula connecting new tariffs to old ones.

ECONOMIST: World trade

When we tested that device we tried to be productive, but the lack of support for x86 Windows apps meant we were without an IRC client and didn't have access to the suite of text-, photo- and video-editing tools we use on a daily basis.

ENGADGET: Microsoft Surface Pro review