the postal system
letters and anything else sent or received by post, especially those travelling or arriving together
post (a letter, parcel, etc.)
"the mail handles billions of items every day"
"he works for the United States mail service"
"in England they call mail `the post'"
"your mail is on the table"
"is there any post for me?"
"she was opening her post"
"I'll mail you the check tomorrow"
"send me your latest results"
"I'll mail you the paper when it's written"
Mangl'd with gastly wounds through Plate and Maile.
Through the glimmering thicket the linked mail rang out.
出自： W. Morris
He..emptied out his mails upon the floor that I might have a change of clothes.
出自： R. L. Stevenson
I..never had an answer to the letter I had mailed from New Orleans.
出自： L. Hellman
I want to mail out personalized appeals.
出自： J. Wilcox