No, they mean you don't have to waste time. Therefore they pwn.
I think Zuo Ci did exist, but whether he played a role in the events of the Three Kingdom period is possibly fiction.
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Signature credited to Nathan (or whatever he decides to call himself next)MSN address: yamiken (at) hotmail (dot) co (dot) uk
[size=6](You know the drill, remove the spaces, replace the at with @ and the dot