rvsvp是什么意思

v.s.v.p. <法> repondez vite s'il vous plait 请速答覆(=please reply quickly)

I'm sorry, but I won't be able to make it to the party. Please accept my RVSP.

"Regretfully decline" plus "please" - an abbreviation often used on RSVP cards to indicate that the recipient will not be able to attend an event but wishes to convey their regrets in a polite manner.