Topology is the study of the properties of a figure that are unchanged by any deformation.
拓扑学是对图形在任何变形下保持不变的性质的研究。
To me programming is more than an important practical art. It is also a gigantic undertaking in the foundations of knowledge.
要快乐，我们不必太在意别人。
诚信是企业立足之本，没有诚信就没有合作。
大国总是在寻找机会以牺牲对手为代价来获得权力，并主导体系。