A.宴會(huì)預(yù)訂單B.宴會(huì)通知單C.宴會(huì)更改通知單D.宴會(huì)預(yù)訂合同
A.宴會(huì)預(yù)訂的取消B.宴會(huì)預(yù)訂更改C.宴會(huì)預(yù)訂的回訪D.宴會(huì)預(yù)訂的確認(rèn)