Do you need a paper copy of your boarding pass?

您的登机牌需要纸质复印件吗？

So the problem with filling everything out digitally is you don't necessarily have a paper copy of what you're agreeing to or what you're signing.

因此，以数字方式填写所有内容的问题是，您不一定拥有您同意或签署的内容的纸质副本。

So, " to print off copies" or " to print copies" is to use a printer, usually connected nowadays to your computer, in order to make a copy, to print a paper copy of something.

所以，“to print off copies” 或“to print copies” 是使用打印机，如今通常连接到您的计算机， 以制作副本， 打印某物的纸质副本。