mary and tom are in different departments.they run into each other on campus.Tom asks Mary about her department major an
问题描述：
mary and tom are in different departments.they run into each other on campus.Tom asks Mary about her department major and other related questions
答
mary和tom在不同的系科,他们在校园中相遇了,tom问mary她主修的是什么系以及一些其他相关的问题.