Paper is flexible, but the paper document is called hard copy.

纸张是有弹性的，可是纸质文件却被称为硬拷贝。

Many Japanese do business in person, using cash, and many offices require people to bring paper documents.

许多日本人用现金当面做生意，许多办公室要求人们带纸质文件。

Watermarks have long been used with paper documents and money as a way to mark them as being real, or authentic.

长期以来，水印一直被用于纸质文件和货币，作为标记其为真品的方式。

A 2001 paper documents the changes in 3,572 elderly people's serum cholesterol concentrations over 20 years, and compared them with rates of death.

一篇发表于 2001 年的论文详尽地记载了 3,572 名老年人 20 年间的血清胆固醇数据，并将这项数据与对应的死亡率进行了比较。

A paper trail usually would include keeping paper documents or electronic documents – emails, for example – that show what happened during a certain situation.

书面记录通常包括保存纸质文件或电子文件（例如电子邮件），以显示在特定情况下发生的事情。

In my mind, any good organizational system worth its salt includes: a task manager; a calendar; a note-taking system and some kind of physical storage for paper documents.

在我看来，任何好的组织系统都包括有：任务管理器；一个日历；一个笔记系统和一些纸质文件的实体储存器。

The partnership essentially involves the archives, digitizing the millions of paper documents that they have, and Ancestry creating searchable indexes, and people everywhere can search the records for free.

这种合作关系主要涉及档案，将他们拥有的数百万份纸质文件进行数字化，而 Ancestry 创建了可搜索的索引，世界各地的人们都可以免费搜索这些记录。

And they start challenging almost every vote, making voters take these oaths and sign papers, documenting all of this into the poll book, the official record of the voting day.

他们开始挑战几乎每一张选票，让选民宣誓并签署文件，将所有这些记录在民意调查簿中，即投票日的官方记录。

Archaeologists have unearthed more than 700 wooden tablets and paper documents, most of which are records from the Tang Dynasty that demonstrate the Tang Dynasty's effective control over the Western Regions.

考古人员出土了700多块木碑和纸质文书，其中大部分是唐代的记载， 证明了唐朝对西域的有效控制。

A more common way nowadays of making copies of pieces of paper is to use what's called a " scanner" (scanner), which produces an electronic file or copy of your paper document.

现在复印纸件更常见的方法是使用所谓的“扫描仪”（scanner），它会生成电子文件或纸质文档的副本。