外国邀请函4篇-条据书信本文名目外国邀请函外国客户邀请函_外国人来华访友邀请函格式外国人访华公司邀请函 dear mr. , we know that you are an expert on literature. as students in english major, we want to know some details about literature. we should be very grateful if you could give a talk on american literature to students of the english department on saturday, . if this subject does not suit you, any other similar topic would be welcome as well. we have already had several very interesting talks from distinguished visiors from
