Relative explainations:
<on file> <grandfather> <filing> <archive> <archiving>
Examples:
1. 請把這些信件存檔。
Please file those letters.
2. 我們已把妳的全部資料存檔.
We have all your particulars on file.
3. 原件寄出，兩個復印件存檔。
Send the original and file two copies.
4. 我把文書存檔。
I file the papers.