Next to the Dining Hall is Sixue Building,and it includes three sections,the Classroom Building,the Office Building,and the International Department.
提点小意见,“教学”可以说“Education”或“Teaching”,“办公”可以说“Administrations”.而且前面说了这是一个楼分成三部分,怎么前两个部分还叫什么什么楼呢?可以都用department.