回复47楼::
“In academia, a visiting scholar, visiting researcher, visiting fellow, visiting lecturer or visiting professor is a scholar from an institution who visits a host university and is projected to teach, lecture, or perform research on a topic the visitor is valued for.”
读得懂英文吗? 这才叫访问学者,若是来学习的,得发学生签证。
懂学生签证和访问学者签证的区别吗?
你不是井底之蛙,你是脑袋被洗白的白痴。