Exchange groups are supposed to provide a contact person, or liaison, to help students in case they have any problems.

交换生组织为交换生提供联系人或联系方式，以在必要时帮助他们。

youdao

Exchange groups are supposed to provide a contact person, or liaison, to help students in case they have any problems.

交换生组织为交换生提供联系人或联系方式，以在必要时帮助他们。

youdao