“存档”造句

我寄了信, 但留了份影印本存档.
I sent the letter, but kept a copy for my files.

校长把我校的所有报告都存档保存.
The principal keeps all our school reports on file.

清点完所定购的每一件东西后，将这份记录存档。
Once you've checked off the items you ordered, put this record in your file.