计算机科学的美在于它能够建模并解决现实世界的问题。
1925年,孙中山在病榻前对张学良说,指出苏联是红色帝国主义。
The world is full of obvious things which nobody by any chance ever observes.
The protection of fishery resources is not a multiple-choice question, but a required question.
The city is like a text, it speaks to those who can read it.