For example, in the past, by mail. Have to wait a week and a free stamp, but at present we can communicate through the Internet both faster and save more than the letter.
For example, in consecutive letters. Wait a week and still have to pay the postage. But now we can communicate through the Internet. Both quick and economical than a letter
For example, in the past week with the letter. Have to wait for a week and still have the stamp. But now we can communicate via the Internet. Both fast and economical than the letter.