伟大的诗人是最不快乐的存在。
中心地是经济景观的节点,区域的生命围绕它们跳动。
We don’t have as many managers as we should, but we would rather have too few than too many.
The development of computational complexity theory has shown us that not all problems are created equal.
验证不仅仅是发现错误;它关乎理解系统为何以某种方式工作。