Even more usefully, you can copy files into the standard output and, then using pipes, you can extract the files from the standard input and copy the files from one location to another.

更有用的是，您可以将文件复制到标准输出，然后可以使用管道从标准输入中提取这些文件，并将它们从一个地方复制到另一个地方。

youdao

They may be limited in scope, dependent on human input and send their output to human brains, but they copy, select and recombine the information they handle.

它们可能活动范围有限，可能需要人类输入信息并且会把结果输出到人类的大脑，但是它们确实在对所处理的信息进行复制、选择和重组。

youdao

Indexes: 2 PI DATA (1.. 100) : a copy of the process instance input and output message Preserves the process instance input message.

索引数量：2 pi DATA(1 . . 100)：流程实例输入和输出消息的拷贝保存流程实例输入消息。

youdao