返祖现象是指个体中重现远祖特征的现象。
The poem is a way of holding on to what otherwise would be lost.
The value of freedom is truly understood only when lost.
The PAC learning framework provides a formal way to quantify the learnability of a concept class.
The simplest solutions are often the most elegant.
“Tis this times” plague, when madmen lead the blind.