Anyone can write a direct mail letter, buy a list of business addresses, add postage stamps and drop the letters in the mail.

任何人都可以写一直接邮寄信件、买商名单地址加上邮票和求援的信件送达。

Idea 4: At set periodic times of the day send one line of an e-mail letter to your love.

创意4：用电子邮件把情书一句一句的定时发送给TA。

Manifold paper: A thin, light-weight paper used for duplicating work with carbon paper or for air mail letter.

打字纸：薄而轻身的纸。作空邮信纸或连同碳纸作为写文件用。 收藏。