應(yīng)邀
at sb’s invitation;on(or upon)invitation
中國(guó)代表團(tuán)～出席大會(huì)，感到榮幸和愉快。The Chinese Delegation is honored (or privileged) and pleased (or delighted) to be invited to the Conference/～出席國(guó)宴be invited to the state banquet;attend the state banquet upon invitation/～來(lái)中國(guó)訪問(wèn)come to visit China upon invitation/～派代表團(tuán)參加國(guó)慶活動(dòng)send a delegation to attend the national day celebrations at the invitation (of the Chinese Government)