英文商务邀请函4篇-条据书信本文名目英文商务邀请函英文商务邀请函经典模板英文商务邀请函格式及_英文商务邀请函格式_ 英文商务邀请函_集锦 篇一:英文商务邀请函_ to whom it may concern: i am writing this letter to invite our/my parents (name and brith days) to visit us in canada this coming may for a period of 3 months. it goes without saying that we will cover all expenses during their visit in canada, which includes international air tickets, local transportation, accmodations, medical insurances and all other related expenses. your favourable consi