存档: keep in the archives
Relative explainations:
<on file> <grandfather> <filing> <archive> <archiving>
Examples:
1. 请把这些信件存档。
Please file those letters.
2. 我们已把你的全部资料存档.
We have all your particulars on file.
3. 原件寄出，两个复印件存档。
Send the original and file two copies.
4. 我把文书存档。
I file the papers.
