file label

例句：

1. 1. The computer technician needs tofile the documents properly.
   电脑技术人员需要将文件妥善归档。
2. 2. She labeled the package witha sticker before she sent it out.
   她在寄出包裹前用贴纸做了标记。
3. 3. The police filed a report onthe incident and began their investigation.
   警方对事件进行了报告，并开始了调查。