1·Postal materials: referring to mail, printed matter, postal parcels, money orders, newspapers, periodicals, etc. posted and delivered by postal enterprises.
邮件：指通过邮政企业寄递的信件、印刷品、邮包、汇款通知、报刊等。
2·Can I send these books as printed matter?
我能不能把这些书做印刷品邮寄？
3·A: Excuse me, can I send the two newspapers "Printed Matter"?
请问这两份报纸可按“印刷品”计算邮费吗？
4·Can I send these books as printed matter?
这些书我可以以印刷品邮寄吗？
5·You want to send a package by air mail. As it is only a book you send it as printed matter.
你要航空邮寄一个包裹。因为仅仅是一本书，所以你决定按印刷品邮寄。