Today, I was bored sitting in front of my computer. I suddenly recalled two logical subjects in the "Discrete Mathematics" of universitytextbook.
坐在电脑旁边无聊，突然想起大学《离散数学》中的两道逻辑题。
2
In 2008, when Ms Ward visited the chemistry department at the Liberian State University, she found one textbook.
2008年，Ward小姐参观利比里亚国家大学的化学系，发现学生们只有一本教科书。
3
The senior, majoring in English at Yangtze University, thinks that he's wasting time in the classroom when the teacher reads the textbook word for word or hands him outdated reading materials.