这段英文怎么翻译为好?
DearConfused,Yourreactiontodinnerinvitationsisquitenatural,andIhavereceivedmanylettersonthistopicfromothervisitors.ThefollowingisalistoftheruleswhichIthinkmightbehelpfultoyou:Ifthedinnerisinformal,askifyoucanbringsomething,suchasabottleofwine.Arrivefiveortenminuteslate,butneverearly.Yourhostorhostessmaystillbegettingready.Feelfreetopolitelyrefusefoodthatyoudon'twant.Putyournapkinonyourlapbeforeyoubegintoeat.Remembertothankyourhostorhostesswhenyouleave.Youshouldalsotelephonethenextdaytosaythankyouagain.Thesearesomeofthebasicguidelines,andtheymayvarywiththesituation.Whenindoubt,itisbesttolookatwhattheotherpeopleatthetablearedoing.Enjoyyourstay.