提供一个范文：Mr. XXX and Mrs. XXX,You are cordially invited to attend XXX (说明活动内容，比如Mary's Birthday Party, 20th Anniversary Cocktail Party，等等）, which is to be held at XXX (地点，如Grand Palace Hall) at XX:XX （时间，如14:30）on XXX（日期，如April 30, 2011).RSVP by XXX (日期，如April 15, 2011).SincerelyXXX（发出邀请人的姓名）注意：RSVP是“请予回复”的缩写。
blue-taste
