如果你不知道,意见有什么用?
我是一个注重过程的女人。我尽力去迎接每一次挑战,尽力去品味每一次经历,并从中学有所获。生活从不乏味。
Sometimes the hardest thing in life is to know which bridge to cross and which to burn.
Topology is the study of the properties of a figure that are unchanged by any deformation.