小于给定数的素数个数是该数的一个函数。
如果你能梦想，你就能实现它
PAC学习框架提供了一种正式的方法来分析学习算法的效率和有效性。
For all that has been, thank you. For all that is to come, yes!
在互联网时代，三个月就是一个世纪。
To me， you are still nothing more than a little boy who is just like a hundred thousand other little boys。 And I have no need of you。 And you， on your part， have no need of me。 To you， I am nothing more than a fox like a hundred thousand other foxes。 But if you tame me， then we shall need each other。 To me， you will be unique in all the world。 To you， I shall be unique in all the world.
Acting is not about being someone different. It's finding the similarity in what is apparently different, then finding myself in there.