拓扑学是对图形在任何变形下保持不变的性质的研究。
Topology is the study of the properties of a figure that are unchanged by any deformation.
"The heart is a lonely hunter, and it will always be so."
我不会说我完美，但我在尽力。
The purpose of business is to improve the lives of others through innovation and value creation.
Writing is the only thing I've ever done with persistence, except for being married.
密码学的本质是允许在存在对手的情况下进行通信。