'...And one more thing--you tack it on to the end of a letter to tack on an extra thought'
PS
2-LETTER ABBREV.: ...And one more thing--you tack it on to the end of a letter to tack on an extra thought
...And one more thing--you tack it on to the end of a letter to tack on an extra thought
...And one more thing--you tack it on to the end of a letter to tack on an extra thought
2-LETTER ABBREV.
PS
2-LETTER ABBREV.