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。
那些被看到跳舞的人被那些听不到音乐的人认为是疯了。
"The future is a concept—it exists only in our minds."
Customer satisfaction begins with understanding their unspoken needs and exceeding their expectations.
“每一本书都是一面镜子,每个读者看到的都是不同的倒影。”